BB30 Ceramic Bottom Bracket

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AITA BB30 ceramic bottom bracket works on BB30 standard frame with 30mm spindle crankset.

With the grade 3 Si3N4 ceramic balls (8 times rounder and 4 times smoother than the steel's), spinning on the hardened ABEC 7 races, AITA's ceramic bearings run much smoother than most of the bearings in the market and only consume 20% of the power compared with the steel bearing, plus the bearings will last 3-5 times longer.

2 year warranty.

Specifications:
ABEC7 high chrome vacuum degassed bearing steel races with quenching and tempering hardening;
Grade 3 Si3N4 ceramic bearing balls;
Nylon bearing retainer;
Dual lips light contact rubber bearing seals;

Frame requirements:
BB30 standard frame;
Shell inner diameter 42mm and width 68mm;

Crankset compatibility:
BB30 30mm spindle cranksets.

Weight:
55g

Frame requirement:
BB30 standard frame; Shell inner diameter 42mm and width 68mm
Crank compatibility:
BB30 30mm spindle cranksets