Proven to be the fasted pulley system in the world, the CeramicSpeed Oversized Pulley Wheels System is the ultimate tool to elevate your performance. Providing an energy savings starting from 2.4 watts over standard Shimano systems shows no stopping until you are crossing the finish line. The CeramicSpeed OSPW Shimano 10+11S matches high-end quality materials with a unique design that deliver low friction and superb lifetime. Improve your competitive edge with the CeramicSpeed OSPW Shimano 10+11S and leave the competition eating your dust.
Please Note: Only suitable for Shimano Ultegra and Dura Ace 10/11-speed derailleurs (electric and mechanical).