Splined bottom bracket for use with Shimano Octalink chainsets. Thread standard: BSA. Axle length: 118mm. Compaible BB tube length: 68mm. 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. *Crank bolts are not included.
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