C-Bear Trek BB90-95 Ceramic Bearing Set For 24mm Axle

C-Bear Trek BB90-95 Ceramic Bearing Set For 24mm Axle C-Bear’s precision-machined Trek BB90-95 Ceramic Bottom Bracket For 24mm Axle brings with it the benefits of their proprietary ceramic bearings that are both long-lasting and lower friction than standard bearings. The bearings are suitable for use in Trek frames that have a bottom bracket shell with a 37mm internal diameter and fit 24mm axle cranks.