Bottom bracket BB30

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BB30—named for its required spindle size—cuts weight by up to 100 grams, narrows Q-factor, increases ankle clearance, and ups bearing durability. Along with a 30 mm spindle, it req uires an oversized 68mm or 73mm bottom bracket shell and PressFit bearings held in place by snap rings. - BB-frame interface: BB30 - Crank-BB interface: BB30 - Bearing type: Ceramic, Standard - Spindle Diameter: 30mm - Spindle length: n/a - Chainline: n/a - Support E-type FD: n/a - Cup material: n/a Show more