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

Product Description The OCM Full Ceramic Shimano derailleur pulleys from C-BEAR work with ceramic ball bearings that run in ceramic grooves. They are compatible with the 11-speed rear derailleurs of the Dura-Ace R9100, Ultegra R8000 and 105 R7000 series as well as with the Ultegra R8150 12-speed 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 TrialTeeth:12 (upper pulley wheel), 13 (lower pulley wheel)Gearing:11-speed / 12-speedMaterial:aluminium, ceramicBearings:CeramicCompatibility:Shimano Dura-Ace R9100Shimano Dura-Ace R9150 Di2Shimano Ultegra R8100 (R8150 Di2)Shimano Ultegra R8000Shimano Ultegra R8050 Di2Shimano 105 R7000Note from the manufacturer:Approved for road use only. Features:OCM = Original Cage Max, more teeth than the originalceramic bearings made by specialistsaluminium body, ceramic bearing racesManufacturer Number:pull-ocm-shi-fc Contents:1 x C-BEAR OCM Shimano Full Ceramic lower derailleur pulley1 x C-BEAR OCM Shimano Full Ceramic upper derailleur pulley Manufacturer: C-BEAR Vrijheidslaan 35 3990 Peer Belgium https://c-bear.com/contact-us/