BB30 SRAM GXP Ceramic Bottom Bracket

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AITA BB30 SRAM GXP ceramic bottom bracket converts BB30 frame to fit SRAM Rival, Force, Red, Apex, Truvativ GXP 22-24mm cranksets. Different from the other's BB30 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 moved out from the BB30 frame and extend the supporting width from 68mm to 92mm which are as same as the SRAM GXP external bottom brackets. Hence with this direct support the conversion bottom bracket 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 only consume 20% of the power compared with the steel bearing, plus the bearings will last 3-5 times longer.

Unique designed dust cover improves the durability of the bottom bracket compared with the traditional SRAM’s design.

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

Crankset compatibility:
SRAM Rival, Force, Red, Apex, Truvativ GXP 22-24mm cranksets.

Weight:
101g

Frame requirement:
BB30 standard frame; Shell inner diameter 42mm and width 68mm
Crank compatibility:
SRAM GXP 22-24mm cranksets