BB30 — named for its required spindle size — cuts weight by up to 100 grams, narrows Q-factor, increases ankle clearance, and ups bearing durability. It's a fairly new standard involving different frame requirements and crank design. Along with a 30 mm spindle, it requires an oversized 68 mm or 73 mm bottom bracket shell and press fit bearings held in place by snap rings.
- Construction: BB30 (42x30 mm)
- Housing diameter: 42 mm Housing
- Length: 68/73 mm
- Bearings: Standard
- Bearings Compatibility: only for BB30 frames
Product safety information
Manufacturer information:
SRAM
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