BBright SRAM GXP Ceramic Bottom Bracket

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AITA BBright SRAM ceramic bottom bracket converts BBright frame to accept SRAM GXP 22-24mm spindle cranksets. Different from the other's PF30 bottom bracket plus adapter option, this ceramic bottom bracket is an integrated unit which requires no adapter or spacers.

In addition, both sides ceramic bearings are outside of the BBright frame which are as same as the SRAM GXP external bottom brackets give the crank arms the direct support. Hence this system runs much more stable, reliable and performs better.

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 will only consumes 20% of the power compared with the steel bearings, plus the bearings will last 3-5 times longer.

Unique maintenance free dust cups come as standard.

2 year warranty.

Free shipping worldwide.

Specifications:
CNC aluminium external BB 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, such as Cervélo BBright frames
Shell inner diameter 46mm and width 79mm

Crankset compatibility:
SRAM GXP 24-22mm spindle cranksets;
i.e. SRAM Rival/Force/Red/Apex, Truvativ and Bontrager GXP cranksets etc.

Weight:
114g

Reference: BBright standard

Frame requirement:
BBright standard frame with 79mm width; Shell inner diameter 46mm
Crank compatibility:
SRAM GXP 24-22mm spindle cranksets