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. Road Seals (Blue)..Fitment: Trek 37mm Direct Fit.Shell Width: 90.5mm.Spindle: 24mm.Compatibility: Shimano Hollowtech II, SRAM GXP, any most 24mm spindle systems.System includes GXP Reducer.Road Seals (Blue
75%





