Kogel Hybrid bearings use premium grade Silicon Nitride (Si3n4) Bearings and premium hardened steel bearing races which are mirror polished to perfection. The result? A long lasting, smooth bearing which provides less resistance and is less prone to failures. These bearings are rated to the Grade 3 / ABEC 5 level - built to spin with minimal friction.

Specifications
Seal - Cross Seals 
Fitment - T47 frames 
Shell Width - 68mm
Compatibility - Shimano Hollowtech II, SRAM GXP, Quarq GXP and most 24mm spindle systems.
*System includes GXP Reducer

All Kogel Bearings T47 external bottom brackets can be installed with Park Tool BBT-79 or any 12-notch bottom bracket tool fittings with a nominal outer diameter of 44mm.

Mfr Claimed Weight
TBC