Work smarter, not harder.
Developed specifically to optimize the performance of Shimano drivetrains, the Ceramic Speed Oversized Pulley Wheel (OSPW) System features a 13/19-tooth replacement pulley combination specifically developed to fit the 9100 and 9150 derailleurs, reducing friction and saving effort by up to 60%. Featuring aluminum pulley wheels with Ceramic Speed pulleys, this replacement pulley wheel system features a lifespan 3-5 times longer than the stock pulley wheels.
The Ceramci Speed OSPW For Shimano 9100/9150 features an optimal 13/19-tooth combination specifically developed to fit the design of the 9100 and 9150 rear derailleurs.
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