FSA Premium BB86/386EVO Ceramic Bottom Bracket w/MW083 w/MS188. The FSA Premium BB86/386EVO Ceramic Bottom Bracket is built for smooth low-friction performance across a wide range of road and gravel frames. Featuring ceramic bearings for reduced rolling resistance and extended durability its a premium upgrade for riders seeking drivetrain efficiency. Its compatibility with BB86 and BB386EVO standards ensures broad integration with modern cranksets.