The new SRAM DUB crank standard, built on a 28.99 spindle, allows for a more contamination resistant BB design, while retaining the ultra-efficient & long-lasting qualities CeramicSpeed Bottom Brackets are known for.
Precisely pair a SRAM DUB crankset with 28.99 mm axle with a pressfit 42mm bore that is 68mm wide commonly referred to as BB30 by selecting this high quality bottom bracket from CeramicSpeed.
BB30-named for its required spindle size-narrows Q-factor, increases ankle clearance, and ups bearing durability. Along with a 30 mm spindle, it requires an oversized 68mm or 73mm bottom bracket shell and PressFit bearings held in place by snap rings.