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.
- 30mm alloy spindle
- 40 x 30 x 7 larger bearing size
- Weight: 64g (standard)