Precision engineered Dura-Ace 7700 bottom bracket for road Octalink splined system.
Key Features:
- 22 mm diameter chrome-moly hollow pipe billet axle reduces weight
- Splined interface gives a more rigid crank assembly compared to tapered counterparts
- Compound bearing structure – ball and needle bearings support the spindle to reduce flex
- Maintenance-free sealed cartridge design prevents corrosion and is easy to install
- Average weight 173 g




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