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Shimano Dura-Ace BB-7700 Dura-Ace bottom bracket 68 – 109 mm without seals
Original price was: $88.19.$44.10Current price is: $44.10.
Save: 50%
Description
- Precision engineered Dura-Ace 7710 bottom bracket for road 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
- Maintenance-free sealed cartridge design prevents corrosion and is easy to install
- Average weight 173 g
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