Check the listing for details. Shimano ES300 Octalink V2 Bottom Bracket. Condition: New. Listed at 15.99 USD. Product description Shimano ES300 Octalink V2 Bottom Bracket 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 %%ifstartfea(features)%% Features - 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 & 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.- Cartridge design allows easy installation without adjustment. %%endiffea%% %%ifstartspec(specifications)%% Specification %%endifspec%%