CARTRIDGE BOTTOM BRACKET SET, DURA-ACE TRACK, BB-7710, SPLINED TYPE AXLE, BSA 68-109.5MM, NJS-TYPE

CARTRIDGE BOTTOM BRACKET SET, DURA-ACE TRACK, BB-7710, SPLINED TYPE AXLE, BSA 68-109.5MM, NJS-TYPE

EBB7710B09N
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  • $94.99
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OCTALINK BB|8-spline interface between bottom bracket and crank arm|Better meshing and power transmission