BB-ES300 BOTTOM BRACKET 68x113mm HOLLOW-TYPE

Splined bottom bracket for use with Shimano Octalink chainsets.

- Oversize BB spindle - large 22mm diameter hollow cold forged chrome-moly pipe billet spindle reduces weight, increases strength and rigidity
- Octalink splined axle/crank arm interface - results in more rigid crank assembly compared to square tapered spindle
- Sealed cartridge assembly with oversize ball bearings - maintenance-free high-efficiency rubber seals keep out dirt, mud, and water
- Cartridge design allows easy installation without adjustment SPECIFICATIONS model BB-ES300-E bb type Octalink structure E-Type material Steel, resin Case width 68mm Shell diameter BSA (BC 1.37) shaft length 118mm mounting screwed weight 265g size: 68 x 121mm, 73 x 113mm, 73 x 121mm, 73 x 126mm, 68 x 113mm, 68 x 118mm, 68 x 126mm, 73 x 118mm