SHIMANO ACERA - Bottom Bracket - OCTALINK - 121 mm Axle Length - 68 mm Shell Width
Stiff and lightweight for efficient power transfer, OCTALINK uses a quick and precise assembly and a reinforced spline construction.
Stiff and lightweight for efficient power transfer
Durable spline reinforced construction
8-splined OCTALINK interface increases the strength and rigidity of the entire assembly
26 g lighter weight than BB-ES25
Quick and precise assembly
Good chain line control with chain stabilizer