Shimano DuraAce Track Innenlager BB-7710 - BSA
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Description
Shimano DuraAce Track bottom bracket BB-7710 - BSA
Dura Ace bottom bracket for FC-7710 track cranks. Octalink axle profile. With NJS certification. The large, hollow-rolled 22mm axle of the bottom bracket saves weight. The multi-tooth holder ensures a firmer and more durable fit. Less axis bending thanks to composite bearings with balls and needles. Aluminum bottom bracket adapter. For frames with BSA thread and a housing width of 68 mm. Despite their low overall weight, the bearings have maximum rigidity and optimal power transmission.
- Material: steel bearing shells
- NJS certified
- Special precision bearings for a long, silky-smooth run
- Thread: BSA thread 68mm
- Lightweight and durable
- silver
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