Shimano BB-7710 Bottom Bracket 68X109.5mm
Compared the power transfer of OCTALINK with the conventional square taper spindle, the 8-splined OCTALINK interface that connects bottom bracket and crank set increases the strength and rigidity for entire assembly.
|Series||DURA-ACE TRACK 7710|
|Average Weight||244 g|
|Compatibility||Track Octalink splined system.|