BB65 Ceramic Bottom Bracket

AITA BB65 ceramic bottom bracket is designed by LOOK for its 65mm ID frame shell and run LOOK ZED series 50mm spindle cranks. The BB65 ceramic bottom bracket comes with a pair of 6810 AITA hybrid ceramic bearings. This BB65 hybrid ceramic bearings are built up with Grade 3 Si3N4 ceramic balls and ABEC7 hardened steel races.

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, this ceramic bottom bracket only consumes 20% of the power compared with a steel bearing bottom bracket in average, plus the bearings will last 3-5 times longer.

2 year warranty.

Free shipping worldwide.

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

Frame requirements:
BB65 standard frame with 90mm width;
Shell inner diameter 65mm;

Crankset compatibility:
50mm spindle LOOK ZED series cranksets:

Weight:
104g