£25.00
Suntour SZ bottom bracket, hailing from Japan and in production during the 1990s. Made from steel and weighing in at 357 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
The bottom bracket's been carefully cleaned, thoroughly checked by one of our mechanics and graded as OK condition, but do take a good look at the detailed photos so you can see the cosmetic condition before you buy.OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Thread Type - this must match the bottom bracket thread on your frame. The 3 common thread types on classic and vintage bikes are English (also known as British or ISO), Italian & French, and are usually (not always!) found on frames built in their respective countries. If you're replacing a bottom bracket the cups should have the thread type stamped on one of them, if not there are a couple of things to look at; bottom bracket shell width (English & French = 68 mm, Italian = 70 mm) & drive side cup thread direction (English = left, Italian & French = right). The only curveball to watch out for here, although pretty uncommon, are Swiss threads (also found on some French frames, Motobecanes being one) which will have the same shell width & thread direction as an English thread frame but the actual thread pitch will be different. If none of the above matches what you have, there are a few lesser known varieties that will require some further research.
Axle Length - your crankset dictates the axle length you need and the recommendation should be used to avoid issues with chainline. If you're replacing a bottom bracket that works perfectly then this can be matched, otherwise you'll need to check the manufacturers spec, a good resource for older bikes is Velobase.
Axle Type - you can tell which type of axle you need by looking at the shape of the bottom bracket hole in your crankset. For square tapers, the ISO introduced a standard for European makers in the early 90s, JIS then did the same in Asia. Before then it was not so simple, and although there is a degree of interchangeability, the best way to make sure you have the right axle is to stick to the same brand from the same era, ideally the proprietary model.
£25.00
Suntour crank bolts, hailing from Japan and in production from the 1980s to the 1990s. Made from steel and weighing in at 24 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike too.
If you're taking part in L'Eroica or a similar vintage event, this is fully compliant - so rest assured, the pre-1987 police won't lock you up for having the wrong crank bolts!
The crank bolts have been cleaned, checked and graded as very good condition, but do take a good look at the detailed photos so you can see the cosmetic condition before you buy.OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Crank Bolt Type - 15 mm hex bolts used to be standard but some older TA, Stronglight and Zeus cranks used a larger 16 mm bolt, plus a few Japanese makers used a smaller 14 mm hex head. Allen key types were introduced in the 1980s and some are self-extracting, which means the crank removes itself when you undo the bolts.
Crank Bolt Thread - All square taper bottom brackets have a standard M8 x 1 mm thread, the only different thread types you’ll find on crank bolts are the much larger M12 & M15 bolts that are specifically for Octalink and ISIS bottom brackets.
£35.00
Suntour XC / XCD cable set (outer casing and inner wires), hailing from Japan and in production from the 1980s to the 1990s (yet still new & unused after all this time). The perfect finishing touch for your vintage bike, but great for bikes of the non-vintage variety too!
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Position - rear cables need to be longer than fronts, this is the only difference so cables long enough for the rear can also be used on the front.
Cable Type - brake and gear cables have different specifications and are not interchangeable.
Casing Width - the outside diameter of the housing. Brake cable housing is a little wider in diameter than gear, this is to accommodate the slightly thicker inner cables.
Length - it's important to check the cables are long enough for your setup. Some gear cables are designed for downtube gear levers only and there won't be enough cable to be used otherwise.
Brake End Nipple Type - Pear' type cable ends step down in size to allow them to be used with drop bar brake levers normally found on road bikes, whereas flat bar levers usually require a 'barrel' end that sits in a similar shape slot within the brake levers.
End Nipple Diameter - for 'pear' type ends this is the diameter at its widest part, with barrel ends it's the diameter of the circular part.
£35.00
Suntour XC Sport 7000 front derailleur (or mech, or changer if you prefer), hailing from Japan and dating back to 1987. Made from aluminium/steel and weighing in at 113 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike.
The derailleur's been carefully cleaned, thoroughly checked by one of our mechanics" and graded as good condition, but do take a good look at the detailed photos so you can see the cosmetic condition before you buy.OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Chainset Type - the number of chainrings the derailleur was designed to work with. ‘Double’ derailleurs are actually capable of working on ‘triple’ chainsets but they may struggle when shifting, especially if there’s a big step down from the middle to inner ring, so it’s better to match these correctly.
Frame Fixing - the way the derailleur fixes to the frame, if you have a tab on your frame to mount the derailleur to you need braze-on. If there’s no tab then you require a clamp-on type (also referred to as band-on or clip-on), these come in different sizes to match the diameter of your seat tube.
Pull Type - the direction of which the cable needs to ‘pull’ the mech in order to shift. If your cable runs up to the derailleur from the bottom bracket area then you need bottom pull, if your cable comes down from above you need top pull. Some later derailleurs can be used for either setups, these are referred to as dual pull.
Designated Speed (9 Speed & Above) - the speed of the chain that the mech was designed to be used with. This only becomes relevant for mechs marketed as 9 speed or above when chains became narrower, as the derailleur cage plates became marginally narrower too. We refer to it as ‘designated’ speed as technically you can use (almost) any derailleur with any chain, however if you want optimum performance it’s best to stay close to the manufacturers recommendations.
Indexing System (Shimano Only) - this is only applicable when using Shimano shifters that have an indexed left shifter such as STI or Rapidfire. For the indexing to work correctly when using these shifters the derailleur and shifters must be of the same type, so Shimano drop bar shifters need to be matched with a Shimano ‘road’ derailleur, and Shimano flat bar shifters must be used with Shimano ‘MTB’ derailleurs.
£35.00
Tacx T4000.25 jockey wheels (or derailleur pulleys if you prefer), hailing from The Netherlands and in production during the 2000s. Made from plastic/steel and weighing in at 19 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Teeth - the tooth count has increased with the introduction of more gears, but this happened very gradually so 10 tooth jockey wheels were standard for a very long time.
*Compatible Speed - the number of cogs the jockey wheels were designed to be used with. When using derailleurs for indexed shifting it's important to stick to this, but friction shifting is much more forgiving so you're unlikely to have any problems using the next speed up or down, providing all the measurements are correct.
Diameter (OD) - the diameter of the jockey wheels, from the outside edge of the teeth. It’s important to stay close to the ones you're replacing to ensure they fit.
Thickness - measured at the widest point, by the centre hole. The spacing has generally become narrower over the years to accommodate more gears.
Centre Hole (ID) - the inside diameter (usually inside the bushing/spacer if present). This rarely presents a problem, but some older jockey wheels have a different diameter so it's worth double checking.
£30.00
Tange left and right bottom bracket cup set, hailing from Japan and in production during the 1980s (yet still new & unused after all this time). Made from steel and weighing in at 112 grams (for the pair). A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike.
If you're taking part in L'Eroica or any other vintage event, these are fully compliant - so rest assured, the pre-1987 police won't lock you up for having the wrong BB cups!
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Bottom Bracket Type - ‘square taper’, as the name suggests have square shaped axle ends that slot into the chainset and ‘cottered’ axles are round and secured by pins - pretty much every bike up until the 1990s would use one of these, cottered being the much earlier system.
Thread Type - this must match the bottom bracket thread on your frame. The 3 common thread types on classic and vintage bikes are English (also known as British or ISO), Italian & French, and are usually (not always!) found on frames built in their respective countries. If you're replacing cups, they often have the thread type stamped on one of them, if not there are a couple of things to look at; bottom bracket shell width (English & French = 68 mm, Italian = 70 mm) & drive side cup thread direction (English = left, Italian & French = right). The only curveball to watch out for here, although pretty uncommon, are Swiss threads (also found on some French frames, Motobecanes being one) which will have the same shell width & thread direction as an English thread frame but the actual thread pitch will be different. If none of the above matches what you have, there are a few lesser known varieties that will require some further research.
£30.00
Tange Seiki headset, hailing from Japan and in production during the 1980s. Made from steel and weighing in at 160 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike.
If you're taking part in L'Eroica or a similar vintage event, this is fully compliant - so rest assured, the pre-1987 police won't lock you up for having the wrong headset!
The headset's been carefully cleaned, thoroughly checked by one of our mechanics and graded as good condition, but do take a good look at the detailed photos so you can see the cosmetic condition before you buy.OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Headset Type - the 1" size relates to the outside diameter of your fork's steerer column which should measure 25.4 mm, if it's 25.0 mm your forks should be French threaded. Although it's generally recommended to match threaded parts exactly, with headsets you can technically mix and match, unless you have French or the obscure old Raleigh threads, in which case you need to stick to that type. If you're replacing an old headset the thread may be stamped on there. Oversized 1 1/8" & 1 1/4" sizes are easily identifiable due to their size and the threads are all standard. Headclip headsets were made to fit fork steerers with 1" or the reduced 31/32" size steerers, as well as 1 1/8" versions for tandems.
Cup Size (OD) - the outside diameter of the cups, this must match the inside diameter of your frame's headtube closely for a good fit. For 1" headsets this should be around 30.2 mm unless you require a JIS headset which will be 30.0 mm.
Crown Race (ID) - the inside diameter of the crown race where it sits on the fork steerer, this needs to be close to the outside diameter of your fork steerer at the base to ensure a proper fit.
Stack Height - the overall height of the headset. To check the minimum stack height you require, measure the length of your frame’s head tube & subtract this from the length of the fork steerer column. You can always add spacers if you have a little too much steerer tube but you can't fit a headset with a greater stack height than the space you have available.
For further help with 1" threaded headsets head to our journal.
£35.00
Taya Extreme chain, hailing from Taiwan and in production during the 1990s (yet still new & unused after all this time!). Made from steel and weighing in at 403 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Optimal Speed - the ideal number of rear cogs, based on the outer width of the chain and the cog width it was designed for. For 6 Speed Shimano Uniglide a 5/6 spd chain will perform best.
Shifting System(s) - indexed shifters 'click' when you change gear. For 9 speed upwards (or Suntour Accushift), to guarantee the best performance we recommend using the dedicated chain. Otherwise, for 8 speed and below, or any speed when using friction shifting (non-index), you just need the correct outer width.
Outer width - measured across the rivets at the widest point, these are the approximate widths for different speed setups (up to 4 speed is also dependent on cog width):
Speed | Outer Width |
---|---|
2 to 4 Speed (1/8”) | 8.5 to 9.5 mm |
Up to 6 Speed (3/32”) | 7.8 to 8.0 mm |
7 Speed / ‘Narrow’ 6 Speed | 7.3 mm |
8 Speed / ‘Narrow’ 7 Speed | 7.0 to 7.3 mm |
9 Speed | 6.5 to 6.7 mm |
Cog Width - the gap between the inner plates allows for different rear cog/sprocket widths. 3/32" is the standard for 5 to 8 speed, above that it’s 11/128”. For 4 speed or less, 3/32” and 1/8” were both used, for the latter you will need a 1/8” chain. A wider 3/16" moped chain can be used as a heavy duty opton for single cog setups if required).
Chain pitch - the distance between the rivets/pins. All chains will be 1/2" with two exceptions; 3/16" (“inch pitch”) for very early track bikes, or Shimano's short lived 10 mm pitch system from the 70s/80s.
Number of links - if you're unsure how many you need, measure your old chain (each link has two rivets) or one with a similar setup to yours.
£25.00
Tektro 361A flat bar brake levers (or handles if you prefer), hailing from Taiwan and in production during the 1990s (yet still new & unused after all this time!). Made from aluminium and weighing in at 179 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Bike Type - this is just a guide, any brake levers can technically be used on any bike as long as everything's compatible.
Brake Type - if you’re running direct pull cantilevers (V-Brakes), you’ll need compatible brake levers. For calipers, cantilevers and mini V-brakes you’ll need levers designed to be used with these as the cable pull is different.
Bar Clamp Size - this should be close to the outside diameter of your handlebars at the point the brake levers will be fitted. 23.8 mm is standard for drop bars and 22.2 mm is standard for 'flat' bars (including risers & swept-back types), but they can differ so this should be checked.
£25.00
Tektro flat bar brake levers (or handles if you prefer), hailing from Taiwan and in production during the 1990s. Made from aluminium and weighing in at 192 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
The brake levers have been cleaned, checked by one of our mechanics and graded as good condition, but do take a good look at the detailed photos so you can see the cosmetic condition before you buy.OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Bike Type - this is just a guide, any brake levers can technically be used on any bike as long as everything's compatible.
Brake Type - if you’re running direct pull cantilevers (V-Brakes), you’ll need compatible brake levers. For calipers, cantilevers and mini V-brakes you’ll need levers designed to be used with these as the cable pull is different.
Bar Clamp Size - this should be close to the outside diameter of your handlebars at the point the brake levers will be fitted. 23.8 mm is standard for drop bars and 22.2 mm is standard for 'flat' bars (including risers & swept-back types), but they can differ so this should be checked.
£35.00
Tioga Alchemy CR ahead handlebar stem, hailing from the United States and in production during the 1990s (yet still new & unused after all this time!). Made from steel and weighing in at 217 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Extension Length (ctc)* - measured from the centre of the handlebar clamp to the centre of the steerer clamp, to the nearest 5 mm. This measurement is taken through the middle of the extension, not along the top or bottom.
Steerer Size (OD) - OD means outside diameter, this is the most important measurement when checking the stem fits your bike. This should match the measurement of the outside of your fork's steerer column, where the stem will be clamped.
Bar Clamp Size - this should match the outside diameter of your handlebars and should be as close as possible to ensure a good and safe fit.
Stack Height - the height of the part that clamps to the forks. This is the minimum amount of space you will need on the fork's steerer column for the stem to fit (minus a few mm as the top of the steerer tube needs to sit just below the top of the stem).
Angle - the angle of the stem's extension in relation to the the fork steerer. Bear in mind the steerer sits at the same angle as the head tube, so a 90 degree stem would not be parallel to the ground. Some manufacturers refer to this as rise or drop, in which case an 80 degree stem would drop 10 degrees from a right angle. Most a-head stems can be flipped although it does depend on the design.
£30.00
Tranz-X JD-002 jockey wheels (or derailleur pulleys if you prefer), hailing from Taiwan and in production during the 1990s (yet still new & unused after all this time). Made from aluminium and weighing in at 46 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
\n\n\nOVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
\nWe accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
\nWe don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
\nTeeth - the tooth count has increased with the introduction of more gears, but this happened very gradually so 10 tooth jockey wheels were standard for a very long time.
\n*Compatible Speed - the number of cogs the jockey wheels were designed to be used with. When using derailleurs for indexed shifting it's important to stick to this, but friction shifting is much more forgiving so you're unlikely to have any problems using the next speed up or down, providing all the measurements are correct.
\nDiameter (OD) - the diameter of the jockey wheels, from the outside edge of the teeth. It’s important to stay close to the ones you're replacing to ensure they fit.
\nThickness - measured at the widest point, by the centre hole. The spacing has generally become narrower over the years to accommodate more gears.
\nCentre Hole (ID) - the inside diameter (usually inside the bushing/spacer if present). This rarely presents a problem, but some older jockey wheels have a different diameter so it's worth double checking.
\n\n\n\n\n\n£30.00
Tranz-X JD-002 jockey wheels (or derailleur pulleys if you prefer), hailing from Taiwan and in production during the 1990s (yet still new & unused after all this time). Made from aluminium and weighing in at 46 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
\n\n\nOVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
\nWe accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
\nWe don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
\nTeeth - the tooth count has increased with the introduction of more gears, but this happened very gradually so 10 tooth jockey wheels were standard for a very long time.
\n*Compatible Speed - the number of cogs the jockey wheels were designed to be used with. When using derailleurs for indexed shifting it's important to stick to this, but friction shifting is much more forgiving so you're unlikely to have any problems using the next speed up or down, providing all the measurements are correct.
\nDiameter (OD) - the diameter of the jockey wheels, from the outside edge of the teeth. It’s important to stay close to the ones you're replacing to ensure they fit.
\nThickness - measured at the widest point, by the centre hole. The spacing has generally become narrower over the years to accommodate more gears.
\nCentre Hole (ID) - the inside diameter (usually inside the bushing/spacer if present). This rarely presents a problem, but some older jockey wheels have a different diameter so it's worth double checking.
\n\n\n\n\n\n£30.00
Tranz-X JD-002 jockey wheels (or derailleur pulleys if you prefer), hailing from Taiwan and in production during the 1990s (yet still new & unused after all this time). Made from aluminium and weighing in at 46 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
\n\n\nOVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
\nWe accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
\nWe don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
\nTeeth - the tooth count has increased with the introduction of more gears, but this happened very gradually so 10 tooth jockey wheels were standard for a very long time.
\n*Compatible Speed - the number of cogs the jockey wheels were designed to be used with. When using derailleurs for indexed shifting it's important to stick to this, but friction shifting is much more forgiving so you're unlikely to have any problems using the next speed up or down, providing all the measurements are correct.
\nDiameter (OD) - the diameter of the jockey wheels, from the outside edge of the teeth. It’s important to stay close to the ones you're replacing to ensure they fit.
\nThickness - measured at the widest point, by the centre hole. The spacing has generally become narrower over the years to accommodate more gears.
\nCentre Hole (ID) - the inside diameter (usually inside the bushing/spacer if present). This rarely presents a problem, but some older jockey wheels have a different diameter so it's worth double checking.
\n\n\n\n\n\n£30.00
Truvativ XR handlebars, hailing from the United States and in production during the 2000s. Made from aluminium and weighing in at 170 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Width - the total width at its widest point, from end to end, rounded to the nearest cm.
Clamp Size - this should match the internal diameter of your handlebar stem clamp, and should be as close as possible to ensure a good and safe fit.
Grip Diameter - the outside diameter of the area where handlebar grips are fitted, this determines not only what grips will fit but brake levers too so it's important to check if you have a specific setup in mind.
Rise/Drop - we measure this at the end of the bars, from the centre point of the clamp area to the centre of the end. This measurent can change when the bar is rotated so there is a bit of tolerance here, please use this as an approximate measurement only.
£25.00
Unbranded classic handlebars, most likely in production during the 1990s. Made from steel and weighing in at 462 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike too.
The bars have been checked, cleaned and graded as good condition, but do take a good look at the detailed photos so you can see the cosmetic condition before you buy.OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Width - the total width at its widest point, from end to end, rounded to the nearest 5 mm.
Clamp Size - this should match the internal diameter of your handlebar stem clamp, and should be as close as possible to ensure a good and safe fit.
Grip Diameter - the outside diameter of the area where handlebar grips are fitted, this determines not only what grips will fit but brake levers too so it's important to check if you have a specific setup in mind.
Rise/Drop - we measure this at the end of the bars, from the centre point of the clamp area to the centre of the end. This measurent can change when the bar is rotated so there is a bit of tolerance here, please use this as an approximate measurement only.
£25.00
Unbranded vintage handlebars, most likely in production from the 1980s to the 1990s. Made from aluminium and weighing in at 250 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike too.
The bars have been checked, cleaned and graded as very good condition, but do take a good look at the detailed photos so you can see the cosmetic condition before you buy.OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Width - the total width at its widest point, from end to end, rounded to the nearest 5 mm.
Clamp Size - this should match the internal diameter of your handlebar stem clamp, and should be as close as possible to ensure a good and safe fit.
Grip Diameter - the outside diameter of the area where handlebar grips are fitted, this determines not only what grips will fit but brake levers too so it's important to check if you have a specific setup in mind.
Rise/Drop - we measure this at the end of the bars, from the centre point of the clamp area to the centre of the end. This measurent can change when the bar is rotated so there is a bit of tolerance here, please use this as an approximate measurement only.
£30.00
Vetta Transverse AT saddle, hailing from Italy and dating back to 1995. Made from leather/steel material and weighing in at 291 grams. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
The saddle's been checked over and graded as OK condition, but do take a good look at the detailed photos so you can see the cosmetic condition before you buy.OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
£30.00
Unbranded vintage handlebar stem (or gooseneck if you prefer), most likely in production during the 1980s. Made from steel and weighing in at 583 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike.
The stem's been carefully cleaned, thoroughly checked and graded as very good condition, but do take a good look at the detailed photos so you can see the cosmetic condition before you buy.OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Extension Length (ctc)* - we measure from the centre of the handlebar clamp to the centre of the shaft, to the point where the stem bolt passes through, to the nearest 5 mm. We always take this measurement in a straight line through middle of the extension, not along the top. In some cases the stem may be stamped with a different extension length as some manufacturers measured differently, but we always use our own measurement for consitency.
Quill Size - the most common size for classic and vintage road bikes is 1", this should be the same as the outside diameter of your fork's steerer column. Oversized steerers found on mountain bikes and later road bikes will be either 1 1/8" or 1 1/4".
Steerer Size (ID) - this is the most important measurement when checking the stem fits your bike. This should match the measurement of the inside of your fork's steerer column, where the stem will be inserted. The standard size for road quill stems was 22.2 mm, or 22.0 mm in France until the 1980s.
Total Shaft Height - measured from the top where the expander bolt head sits, to the bottom of the stem's shaft. To give you an idea of how high the stem can be set, there should be an absolute minimum of 50 mm inserted into the fork steerer, although most stems come with a 'minimum insertion line' to help with this.
Clamp Size - this should match the outside diameter of your handlebars and should be as close as possible to ensure a good and safe fit.
£40.00
WTB Velociraptor folding tyre, hailing from the United States and in production during the 1990s (yet still new & unused after all this time). Made from rubber and weighing in at 645 grams (the weight and price displayed are for one tyre, if we have more in stock you'll be able to add them to your basket). A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
NB: If mounted in the photos this is for illustrative purpose only, any wheels or rims shown are not included.OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Size - this is the manufacturer’s sizing and must match the size or your wheel. This can be confusing as tyres have had different sizing systems over the years, and there are many (sometimes conflicting) sizes available. For this reason it’s important to check the ISO diameter too for clarification, especially for 26” wheels.
Bike Type - the type of bike the tyre was designed to be used on. Road tyres will generally be narrow with minimal tread, touring tyres wider with a bit more grip in the tread, and cyclocross & MTB tyres wider still (especially the latter), with a much more pronounced tread pattern.
ISO Diameter - this relates to the diameter of the wheel rim at the point where the tyre is seated (bead seat diameter). This is a universal measurement, often displayed on tyres as 28-622 or similar, 28 referring to the tyre width and 622 being the ISO diameter in millimetres.
TPI - stands for threads per inch and refers to the thread count of the tyre casing. A high thread count usually means a more supple and lighter tyre, this can be anything as high as 320 tpi. We can’t always provide this information however, as it’s not always possible to know for sure.
£35.00
WTB Velociraptor tyre, hailing from the United States and in production from the 1990s to the 2000s (yet still new & unused after all this time!). Made from rubber and weighing in at 760 grams (the weight and price displayed are for one tyre, if we have more in stock you'll be able to add them to your basket). A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
NB: If mounted in the photos this is for illustrative purpose only, any wheels or rims shown are not included.
OVERVIEW
Condition - New Old Stock*
Production Era - 1990s & 2000s
Country - American
Material - Rubber
Weight - 760 g
Stock Code - D-TY-R53C
*New old stock items may have marks from storage over the years, and as we often have multiples they can vary from piece to piece, but they are always genuine new & unused items.
TECHNICAL INFO
Size - 26 x 2.1"
Bike Type - MTB
ISO Diameter - 559 mm (26")
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Size - this is the manufacturer’s sizing and must match the size or your wheel. This can be confusing as tyres have had different sizing systems over the years, and there are many (sometimes conflicting) sizes available. For this reason it’s important to check the ISO diameter too for clarification, especially for 26” wheels.
Bike Type - the type of bike the tyre was designed to be used on. Road tyres will generally be narrow with minimal tread, touring tyres wider with a bit more grip in the tread, and cyclocross & MTB tyres wider still (especially the latter), with a much more pronounced tread pattern.
ISO Diameter - this relates to the diameter of the wheel rim at the point where the tyre is seated (bead seat diameter). This is a universal measurement, often displayed on tyres as 28-622 or similar, 28 referring to the tyre width and 622 being the ISO diameter in millimetres.
TPI - stands for threads per inch and refers to the thread count of the tyre casing. A high thread count usually means a more supple and lighter tyre, this can be anything as high as 320 tpi. We can’t always provide this information however, as it’s not always possible to know for sure.
£30.00
WTB Velociraptor tyre, hailing from the United States and in production during the 1990s (yet still new & unused after all this time). Made from rubber and weighing in at 665 grams (the weight and price displayed are for one tyre, if we have more in stock you'll be able to add them to your basket). A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
NB: If mounted in the photos this is for illustrative purpose only, any wheels or rims shown are not included.OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Size - this is the manufacturer’s sizing and must match the size or your wheel. This can be confusing as tyres have had different sizing systems over the years, and there are many (sometimes conflicting) sizes available. For this reason it’s important to check the ISO diameter too for clarification, especially for 26” wheels.
Bike Type - the type of bike the tyre was designed to be used on. Road tyres will generally be narrow with minimal tread, touring tyres wider with a bit more grip in the tread, and cyclocross & MTB tyres wider still (especially the latter), with a much more pronounced tread pattern.
ISO Diameter - this relates to the diameter of the wheel rim at the point where the tyre is seated (bead seat diameter). This is a universal measurement, often displayed on tyres as 28-622 or similar, 28 referring to the tyre width and 622 being the ISO diameter in millimetres.
TPI - stands for threads per inch and refers to the thread count of the tyre casing. A high thread count usually means a more supple and lighter tyre, this can be anything as high as 320 tpi. We can’t always provide this information however, as it’s not always possible to know for sure.
£30.00
Zefal Kanga saddle bag (or seat pack if you prefer), hailing from France and in production during the 2000s. An excellent choice for classic bikes, but great for bikes of the non-classic variety too!
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
£25.00
Zefal Kola saddle bag (or seat pack if you prefer), hailing from France and in production during the 2000s. An excellent choice for classic bikes, but great for bikes of the non-classic variety too!
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
£40.00
Zefal MT. Plus bicycle pump, hailing from France and in production during the 1990s (yet still new & unused after all this time!). An excellent choice for classic cycling enthusiasts, but great for cyclists of the non-classic variety too!
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Valve Type - there are 3 types of valves; Presta are thin with a little knurled nut on the end, Schrader are wider (the same as you would find on a car), and the less common Woods (aka "Dunlop"). Pumps designed for Presta valves can be used on Woods valves. Some pumps use hose connectors, these are available for all valve types.
Pump Mount Type - 'peg fit' pumps require pump pegs or 'umbrella' clips to fit to the frame, 'frame fit 'pumps are designed with curved ends to mount between two tubes (although these often have holes for pegs too). If mounting directly you'll need the correct length to fit your frame, or a clip/peg to hold one end.
Mount Location - frame fit pumps usually mount to the seat tube with the ends compressed between the top and down tube, they can however be mounted on other tubes as long as there's something supporting the handle end. Some head tubes have a little nipple or a small enough gap for under top tube mounting (this can be replcated with a simple strap or cable tie), and of course pump pegs or clips can be fitted anywhere!
Length (Min-Max) - the length of the pump fully compressed and uncompressed, measured at the points of support. The space you to intend to mount the pump should be within 1 cm of the minimum or maximum length to allow the pump to be securely mounted and dismounted.
£40.00
Zefal MT. Plus bicycle pump, hailing from France and in production during the 1990s (yet still new & unused after all this time!). An excellent choice for classic cycling enthusiasts, but great for cyclists of the non-classic variety too!
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Valve Type - there are 3 types of valves; Presta are thin with a little knurled nut on the end, Schrader are wider (the same as you would find on a car), and the less common Woods (aka "Dunlop"). Pumps designed for Presta valves can be used on Woods valves. Some pumps use hose connectors, these are available for all valve types.
Pump Mount Type - 'peg fit' pumps require pump pegs or 'umbrella' clips to fit to the frame, 'frame fit 'pumps are designed with curved ends to mount between two tubes (although these often have holes for pegs too). If mounting directly you'll need the correct length to fit your frame, or a clip/peg to hold one end.
Mount Location - frame fit pumps usually mount to the seat tube with the ends compressed between the top and down tube, they can however be mounted on other tubes as long as there's something supporting the handle end. Some head tubes have a little nipple or a small enough gap for under top tube mounting (this can be replcated with a simple strap or cable tie), and of course pump pegs or clips can be fitted anywhere!
Length (Min-Max) - the length of the pump fully compressed and uncompressed, measured at the points of support. The space you to intend to mount the pump should be within 1 cm of the minimum or maximum length to allow the pump to be securely mounted and dismounted.
£40.00
Zefal MT. Plus bicycle pump, hailing from France and in production during the 1990s (yet still new & unused after all this time!). An excellent choice for classic cycling enthusiasts, but great for cyclists of the non-classic variety too!
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Valve Type - there are 3 types of valves; Presta are thin with a little knurled nut on the end, Schrader are wider (the same as you would find on a car), and the less common Woods (aka "Dunlop"). Pumps designed for Presta valves can be used on Woods valves. Some pumps use hose connectors, these are available for all valve types.
Pump Mount Type - 'peg fit' pumps require pump pegs or 'umbrella' clips to fit to the frame, 'frame fit 'pumps are designed with curved ends to mount between two tubes (although these often have holes for pegs too). If mounting directly you'll need the correct length to fit your frame, or a clip/peg to hold one end.
Mount Location - frame fit pumps usually mount to the seat tube with the ends compressed between the top and down tube, they can however be mounted on other tubes as long as there's something supporting the handle end. Some head tubes have a little nipple or a small enough gap for under top tube mounting (this can be replcated with a simple strap or cable tie), and of course pump pegs or clips can be fitted anywhere!
Length (Min-Max) - the length of the pump fully compressed and uncompressed, measured at the points of support. The space you to intend to mount the pump should be within 1 cm of the minimum or maximum length to allow the pump to be securely mounted and dismounted.
£35.00
Zoom stem, hailing from China and in production during the 1990s (yet still new & unused after all this time!). Made from steel and weighing in at 296 grams - pretty lightweight for a stem at that time. A fine choice for keeping your classic bike authentic, but also great for any other compatible bike.
OVERVIEW
TECHNICAL INFO
We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.
We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.
We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.
Extension Length (ctc)* - we measure from the centre of the handlebar clamp to the centre of the shaft, to the point where the stem bolt passes through, to the nearest 5 mm. We always take this measurement in a straight line through middle of the extension, not along the top. In some cases the stem may be stamped with a different extension length as some manufacturers measured differently, but we always use our own measurement for consitency.
Quill Size - the most common size for classic and vintage road bikes is 1", this should be the same as the outside diameter of your fork's steerer column. Oversized steerers found on mountain bikes and later road bikes will be either 1 1/8" or 1 1/4".
Steerer Size (ID) - this is the most important measurement when checking the stem fits your bike. This should match the measurement of the inside of your fork's steerer column, where the stem will be inserted. The standard size for road quill stems was 22.2 mm, or 22.0 mm in France until the 1980s.
Total Shaft Height - measured from the top where the expander bolt head sits, to the bottom of the stem's shaft. To give you an idea of how high the stem can be set, there should be an absolute minimum of 50 mm inserted into the fork steerer, although most stems come with a 'minimum insertion line' to help with this.
Clamp Size - this should match the outside diameter of your handlebars and should be as close as possible to ensure a good and safe fit.
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