Shimano BB-ES300 Octalink Bottom Bracket 73x113mm Hollow Type 11.6218.042.001 Designed for the most uncompromising

Designed for the most uncompromising athletes in the world

Fluoric coated link bushings: 4

Rear seat stay

The Power Comp saddle features a stiff

All the cables run inside the new advanced C

Shimano BB-ES300 Octalink Bottom Bracket 73x113mm Hollow Type 11.6218.042.001 Designed for the most uncompromisingTechnologies Octalink Compared the power transfer of OctaLinkwith 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. Specifications Axle Length Shell Width 113 68 mm (BC1. 37) 113 70 mm (M36) 113 73 mm (BC1. 37) 118 68 mm (BC1. 37) 118 70 mm (M36) 118 73 mm (BC1. 37) 121 68 mm (BC1. 37) 121 73 mm (BC1. 37) 126 68 mm (BC1. 37) 126 73