Utilising precision CNC aluminium cups, this C-Bear premium bracket is a durable option, while the smooth ceramic bearings increase efficiency. Mount on BSA threaded frames for use with 24mm crank axles. C-bear BSA CER 24mm Road Bottom Bracket Features For use with 24mm axles as below. (not GXP) Shimano Hollowtech II Race Face X-Type Rotor: 3D, Agilis, Rex 3
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