ZTTO CERAMIC Bearing Bicycle Bottom Brackets BB109 BSA68 73 bike Bottom Brackets for Parts 24mm BB 22mm GXP Crankset

ZTTO CERAMIC BB109

EXTERNAL BEARING BOTTOM BRACKETS

1.Ceramic ball bearing

This bottom brackets bearing ball use ceramic material, firstly ceramic ball lighter weight than stell ball, and then ceramic have corrosion resistance so it have longer use life.

2.Waterproof

We have choose high quality rubber, with this rubber waterproof ring provide anti-corrosion, waterproof and sandproof effect.

3.High-strength material

Bottom brackets axis use high-strength 7075-T6 aluminum alloy material with high quality CNC machined.

4.GXP adapter

This bottom brackets have a GXP adapter for SRAM GXP φ24/22mm

5.Anodizing craft

The anodizing process creates a dense protective film on the aluminum surface, not only more beautiful colors, but also more effective protect aluminum alloy body.