CarbonDryJapan 11t Pulley Set for with Full Ceramic Bearings Shimano/Campagnolo

●Product Description This is a replacement part for the original 11T pulley of Shimano, Campagnolo, etc. It uses a special resin (CH10 POM+CF10) containing 10% carbon fiber, making it durable and quiet. In addition to the standard hybrid bearings, full ceramic bearings are available as an option. *The rear derailleur itself is not included. *It cannot be installed on SRAM products due to the different mounting shaft diameter.