Shimano Dura-Ace 1st Gen GB-100 68-W-112 NOS Vintage 112 mm Bottom Bracket Axle
SKU: 96553799440

Shimano Dura-Ace 1st Gen GB-100 68-W-112 NOS Vintage 112 mm Bottom Bracket Axle

Sale price$34.20 Regular price$38.00
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Description

Shimano Dura-Ace 1st Gen GB-100 68-W-112 NOS Vintage 112 mm Bottom Bracket AxleOriginal part produced in the 1970s New old stock! Still unused after all these years Suitable for historic cycling events such as L'Eroica Worldwide shipping Shimano Dura Ace bottom bracket axle (or BB spindle if you prefer), hailing from Japan and in production during the 1970s (yet still new & unused after all this time). Made from steel and weighing in at 148 grams. A fine choice for keeping your vintage bike authentic, but also great for any

✓ Original part - produced in the 1970s
✓ New old stock! Still unused after all these years
✓ Suitable for historic cycling events such as L'Eroica
✓ Worldwide shipping

Shimano Dura-Ace bottom bracket axle (or BB spindle if you prefer), hailing from Japan and in production during the 1970s (yet still new & unused after all this time). Made from steel and weighing in at 148 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike.

The very first Dura-Ace axles were stamped '333' with a date code that is specific to early Dura-Ace. The axles came with the GB-100 chainset but carried their own part number (137 0100), the specification remained the same when the FC-7110 chainset was introduced, so they are compatible with both models.

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


Race Condition - New Old Stock*
Production Era - 1970s
Country - Japanese
Material - Steel
Weight - 148 g
Stock Code - D-G3-BB-AS22V

*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 - 68-W-112
Axle Length (D) - 112 mm
Axle Centre (B) - 56 mm
Axle Drive Side (C) - 32 mm
Axle Non-Drive Side (A) - 29 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.

EU Customers – for orders under €150 (excluding shipping), VAT will be collected at checkout, but from 1st July 2026, due to new EU import regulations, there may also be a customs duty payable to the carrier. For orders over €150, all import fees will be payable to the carrier, with nothing collected at checkout.

USA Customers – import fees are now collected at checkout for all orders to the US, so there won’t be any surprise charges when your order arrives.

Other International Customers – local import fees may still apply, charged by your customs office or courier before delivery. These are not collected by us, so please check your local rates before purchasing.

Any applicable fees will appear at checkout.

SAFETY & COMPLIANCE
This product complies with the EU General Product Safety Regulation (GPSR). Professional installation and regular inspections are recommended. Due to the product's age, extra care should be taken during use.

Product Manufacturer - Shimano Inc. 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan

EU Authorised Representative - Global Trade Department NI Ltd, Office 834, Unit 6, 100 Lisburn Road, Belfast BT9 6AG, Northern Ireland

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.



Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 96553799440

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