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.This Bottom Bracket allows fitment of the following systems...386EVO (46 x 86.5mm) Shells to BB386 CranksBBRright (46 x 79mm Offset) Shells to Factory Cervelo BBRight CranksPF30 Shells (46 x 68/73mm) to BB30 CranksPF30A Shells (46 x 73/83mm Offset) with factory Cannondale CranksUse of all 46mm Shells - with use of aftermarket spacersLow Insert casing allows for easier internal cable routing.Fitment46mm diameterShell Width68/73mmCompatibilityBB30 Cranks, BB386 Cranks (with Spacers)Cross Seals
