BBright Ceramic Bottom Bracket

AITA BBright ceramic bottom bracket is fully compatible with BBright (79mm width) standard frame. It is a pressfit bottom bracket to fit BBright standard frames with 30mm spindle BBright cranks. This BBright ceramic bottom bracket comes with AITA signature hybrid ceramic bearings 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, 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 bearings., plus the bearings will last 3-5 times longer.

2 year warranty.

Specifications:
Fibre reinforced polymer bottom bracket cups;
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:
BBright standard frame with 79mm width;
Shell inner diameter 46mm;

Crankset compatibility:
30mm spindle BBright cranksets;

Weight:
80g