C-bear ocm shimano 11-speed ultegra 12-speed derailleur pulleys

Product Description The OCM Shimano derailleur pulleys from C-BEAR work with ceramic ball bearings that run in steel grooves. They are compatible with the 11-speed rear derailleurs of the Dura-Ace R9100, Ultegra R8000, GRX and 105 R7000 series as well as with the 12-speed Ultegra R8150 rear derailleur. They are larger than the original derailleur pulleys. This way, the performance of your drivetrain can be significantly increased. Technical Information:Application:Road, Triathlon & Time Trial, Gravel, CyclocrossTeeth:12 (upper pulley wheel), 13 (lower pulley wheel)Gearing:11-speed / 12-speedMaterial:aluminium, steelBearings:CeramicCompatibility:Shimano Dura-Ace R9100Shimano Dura-Ace R9150 Di2Shimano Ultegra R8100 (R8150 Di2)Shimano Ultegra R8000Shimano Ultegra R8050 Di2Shimano GRX RX810Shimano GRX RX815 Di2Shimano 105 R7000also suitable for Campagnolo EkarFeatures:OCM = Original Cage Max, more teeth than the originalceramic bearings made by specialistsaluminium body, steel bearing racesManufacturer Number:pull-ocm-shi Contents:1 x C-BEAR OCM Shimano lower derailleur pulley1 x C-BEAR OCM Shimano upper derailleur pulley Manufacturer: C-BEAR Vrijheidslaan 35 3990 Peer Belgium https://c-bear.com/contact-us/