SHIMANO DURA-ACE TRACK OCTALINK BOTTOM BRACKET
- Precision engineered Dura-Ace 7700 bottom bracket for track Octalink splined system
- 22 mm diameter chrome-moly hollow pipe billet axle reduces weight
- Splined interface provides a more rigid crank assembly compared to tapered counterparts
- Compound bearing structure - ball and needle bearings support the spindle to reduce flex
- Cartridge design is easy to install and comes without seals to minimise resistance
- Average weight 173 grams
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Product Code: AAA-000
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