Derailleur Pulley Wheels (3)

11T Ceramic Pulley Wheels Upgrade your drivetrain with our JRC Components 11T ceramic pulley wheels! Performing to a much higher standard than standard Delrin pulley wheels & ensuring much higher...

13T Pulley Wheels for Shimano MTB 12 Speed JRC Components Ceramic 13T Pulley Wheel sets are compatible with all 12 speed Shimano MTB Systems. Our 13 tooth Pulley Wheels are...

12T Narrow-Wide Ceramic Pulley Wheels If you are looking to replace or upgrade your drivetrain we ensure our 12T Narrow-Wide Ceramic Pulley Wheels perform to the highest of standards. Lightweight...