Gearmate Oversized Pulley Wheel System (12/16T with Cage) for SHIMANO 7000

The series of CRODER® Gearmate™ pulley wheels with smooth ceramic bearings provides different tooth of pulley wheels to let cyclists choose. Furthermore, cyclists can choose 12T to 14T to change original pulley wheels on SHIMANO/SRAM rear derailleur, or choose the bigger oversized pulley wheels (with cage) 12/16T or 12/18T on rear derailleur. These products can save cyclists’ power watts and cycling optimization.