For Shimano® / ISIS Drive® compatible cartridge BBs with 20 tooth in the ring, CNC engineered, Cr-Mo steel. For use with 1/2" air driver or ratchet wrench.
Bottom Bracket Tool for Shimano® / ISIS Drive® compatible cartridge BBs with 20 tooth in the ring, CNC engineered, Cr-Mo steel. For use with 32mm headset wrench.