Shimano BB-ES300 73mm Shell Octalink Bottom Bracket - English Thread Size:113mm The material has been strategically

The material has been strategically positioned on the jacket to give the maximum amount of retro-reflection

Hot-Forged for lighter-weight construction

Bravo™ stretch microfiber palm

Our seatpost clamps with rack mounts provide a stable spot to mount your rear rack stays to on bikes without seatstay braze-ons

Shimano BB-ES300 73mm Shell Octalink Bottom Bracket - English Thread Size:113mm The material has been strategicallySplined bottom bracket for use with Shimano Octalink chainsets. Features Oversize BB spindle large 22mm diameter hollow cold forged chrome moly pipe billet spindle reduces weight, increases strength & 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 & water.