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50cm Specialized HardRock c.1987 Vintage American Steel Mountain Bike Frame Set
£365.00
✓ Original vintage frame - built in the 1980s
✓ Thoroughly checked over & photographed in detail
✓ Worldwide shipping
Specialized began in the mid 70s when Mike Sinyard began importing hard to find Italian bike parts into the USA, their first branded product was a touring tyre and their first bike range in 1981 included a touring bike, a road bike and the first production mountain bike, the StumpJumper. Being first to mass produce the MTB proved to be a master stroke and the business grew rapidly as the niche sport came to dominate worldwide cycle sales through the 80s and 90s. As one of the first companies to mass produce and develop carbon fibre as a frame material, Specialized began to dominate the road market too, their successes across road, MTB and Cross racing is unparalleled.
Introduced in 1987, the HardRock was Specialized's foray into the entry level mountain bike market. Having been the first brand to mass produce mountain bikes they went on to lead the race scene with the StumpJumper Team and then offered the more affordable range of RockHopper bikes, and the HardRock used the DNA from these bikes at a lower price point. With frames made to their design and some Specialized branded parts made in Taiwan rather than Japan to keep the cost down, the HardRock sold extremely well and is still a staple of the Specialized MTB line-up now.
In original condition with '80s graphics over the red paint, this 1987 model was made in Taiwan with a custom-gauge steel frame that offers comfort and strength. With a full complement of braze-ons for mudguards and racks, and two sets of bottle cage bosses, this is ideal for repurposing as a touring or commuter bike.
The frame's been carefully checked by one of our mechanics to confirm the alignment's correct and there's no damage to the threads. If there are any minor issues worth noting we will do so in the overview section below. Please take a good look at the detailed photos so you can see the cosmetic condition of the frame before you buy.OVERVIEW
Era - 1980s
Country - American
Frame Material - Steel
Tubing - Custom Gauge CrMo
Weight - 3.53 kg
Stock Code - U-F-M9V
SIZING
Size Guide* - 0
Seat Tube (ctc) - 50 cm
Top Tube (ctc) - 57 cm
Head Tube - 109 mm
Chainstay Length - 44.5 cm
Wheelbase - 107.5 cm
*This is just a guide, not a guarantee the frame will fit as every rider is different. If you're unsure of your size we'd always recommend trying out a bike with similar frame dimensions first.
TECHNICAL INFO
Rear Spacing - 130 mm
Front Spacing - 100 mm
Seatpost Diameter - 26.4 mm
Wheel Size - 26"
Brake Fixing - Cantilever / V-Brake (U-Brake Rear)
Bottom Bracket Thread - English/British/ISO Thread
Headset Thread - Standard ISO (24 TPI - British/Italian)
Headset Stack Height - 36 mm
Fork Crown Race - 27.0 mm (JIS)
Headtube Internal Diameter - 30.0 mm
Steerer Internal Diameter - 22.2 mm (Standard)
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▼SHIPPING, TAXES & RETURNS
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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.
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▼HELP SECTION
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Seat Tube (ctc) - we measure from the centre of the bottom bracket shell up to the centre line of the top tube to give a consistent measurement regardless of frame design (ctc means centre to centre).
Top Tube (ctc) - this is measured from the centre of the head tube to the centre of the seat tube, along the centre of the top tube.
Chainstay Length - measured from the centre of the bottom bracket shell to the centre point of the rear dropout.
Wheelbase - measured from the centre of the front fork dropout to the centre point of the rear dropout.
Front & Rear Spacing - measured from the inside of one dropout to the other. The dropouts on steel frames can be stretched or squeezed a few mm but it's always best to avoid this if possible, aluminium or carbon frames should never be stretched.
Specialized F6 107-68 NOS Vintage 107.5 mm Bottom Bracket Axle
£30.00
✓ Original part - produced in the 1980s
✓ New old stock! Still unused after all these years
✓ Suitable for historic cycling events such as L'Eroica
✓ Worldwide shipping
Specialized F6 bottom bracket axle (or BB spindle if you prefer), hailing from the United States and in production during the 1980s (yet still new & unused after all this time). Made from steel and weighing in at 138 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 any other vintage event, this is fully compliant - so rest assured, the pre-1987 police won't lock you up for having the wrong axle!
OVERVIEW
Condition Notes - Some storage marks
Production Era - 1980s
Country - American
Material - Steel
Weight - 138 g
Stock Code - D-BB-AS9V
*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
Axle Type - Square Taper
Axle Markings - 107-68
Axle Length (D) - 107.5 mm
Axle Centre (B) - 50.5 mm
Axle Drive Side (C) - 28.5 mm
Axle Non-Drive Side (A) - 28.5 mm
Shell Width - 68 mm
NB: Check the help section to see how we take these measurements.
-
▼SHIPPING, TAXES & RETURNS
-
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.
-
▼HELP SECTION
- We've provided reference below to illustrate how we take the measurements.
Axle Type - 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.
Axle Length (D) - your crankset dictates the axle length you need and the recommendation should be used to avoid issues with chainline. If you're replacing an axle 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.
Centre (B) - measured from the outside of the 'shoulders' of the bearing races, as seen in the diagram.
Drive Side (C) - the right side (with any logos etc on the axle facing you), your right crank and chainrings will mount to this side.
Non-Drive Side (A) - the left side, where the left crank arm will be mounted.
Shell Width - the width of the bottom bracket shell the axle was designed to fit, measured at its widest point.
Specialized K7 114.5-68 Vintage 114.5 mm Bottom Bracket Axle
£20.00
✓ Original part - produced in the 1980s
✓ Suitable for historic cycling events such as L'Eroica
✓ Professionally checked & cleaned
✓ Worldwide shipping
Specialized K7 bottom bracket axle (or BB spindle if you prefer), hailing from the United States and in production during the 1980s. Made from steel and weighing in at 150 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 any other vintage event, this is fully compliant - so rest assured, the pre-1987 police won't lock you up for having the wrong axle!
The axle has been thoroughly 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
Production Era - 1980s
Country - American
Material - Steel
Weight - 150 g
Stock Code - U-BB-AS8V
TECHNICAL INFO
Axle Type - Square Taper
Axle Markings - 114.5-68
Axle Length (D) - 114.5 mm
Axle Centre (B) - 48.5 mm
Axle Drive Side (C) - 34.5 mm
Axle Non-Drive Side (A) - 31.5 mm
Shell Width - 68 mm
NB: Check the help section to see how we take these measurements.
-
▼SHIPPING, TAXES & RETURNS
-
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.
-
▼HELP SECTION
- We've provided reference below to illustrate how we take the measurements.
Axle Type - 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.
Axle Length (D) - your crankset dictates the axle length you need and the recommendation should be used to avoid issues with chainline. If you're replacing an axle 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.
Centre (B) - measured from the outside of the 'shoulders' of the bearing races, as seen in the diagram.
Drive Side (C) - the right side (with any logos etc on the axle facing you), your right crank and chainrings will mount to this side.
Non-Drive Side (A) - the left side, where the left crank arm will be mounted.
Shell Width - the width of the bottom bracket shell the axle was designed to fit, measured at its widest point.