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SRAM BB30 Bottom Bracket
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.
- Narrow Q-factor
- More ankle clearance
- Larger bearings for longer life
- Spindle diameter: 30mm