C-Bear OCM "Original Cage Max" Pulley Wheels for Shimano
Some call this OverSize, we simply call it Original Cage Max , C-Bear ceramic OCM.
Replace your stock pulleys with these OCM for max performance without needing to replace the cage assembly.
Compatible with Dura Ace R9200 (12speed), Ultegra R8100 (12speed)
Dura Ace R9100, R9150 Di2, Ultegra R8000, R8050 Di2, GRX, 105 R7000
Ceramic bearings made by specialists
Aluminium body, steel bearing races
Mfr Claimed Weight