The BB-ES300 Octalink Bottom Bracket is stiff and lightweight for efficient power transfer. It comes with a durable spline reinforced construction and an8-splined OCTALINK interface.Compared to 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 the entire assembly.

FEATURES

• 26 g lighter weight than BB-ES25
• Quick and precise assembly
• Good chain line control with chain stabilizer