Aerozine BB30 Ceramic Bearing Bottom Bracket 68 / 73 mm for Road and MTB Bikes
Ultra smooth Aerozine Ceramic bearings.
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, the
press fit bearings held in place by snap rings.
BB30-KIT-08 For Road & MTB
Includes: 2 x Bearings, 1 x C ring, 2 x C clip, 2 x alloy caps.