- Lightweight design
- 30 mm alloy spindle
- Larger bearings for longer life
- 42x30x7 larger bearing size
- Intended use: Cross Country and Trail
- 56 grams ceramic / 64 grams standard
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What is BB30?
BB30 is a fairly new standard involving a different frame requirements and crank design. The BB30 system name comes from the required spindle size: 30 mm. BB30 also requires an oversized 68 mm or 73 mm bottom bracket shell and press fit bearings held in place by snap rings.
Advantages:
-Lighter weight (up to 100 grams, including crankset!)
-Narrow Q-factor and more ankle clearance
-Greater bearing durability
-Stiff and strong
