C-bear ocm shimano dura-ace 12-speed derailleur pulleys

Product Description The C-BEAR OCM Shimano derailleur pulleys for the Dura-Ace R9250 12-speed rear derailleur work with ceramic ball bearings that run in steel grooves. They are larger than the original derailleur pulleys. In this way, you significantly increase the performance of your drivetrain. Technical Information:Application:Road, Triathlon & Time TrialTeeth:12 (upper pulley), 13 (lower pulley)Gearing:12-speedMaterial:aluminium, steelBearings:CeramicCompatibility:Shimano Dura-Ace R9200 (R9250 Di2)Features:OCM = Original Cage Max, more teeth than the originalceramic bearings made by specialistsaluminium body, steel bearing racesManufacturer Number:pull-ocm-shi-da12 Contents:1 x C-BEAR OCM Shimano Dura-Ace Lower Derailleur Pulley1 x C-BEAR OCM Shimano Dura-Ace Upper Derailleur Pulley Manufacturer: C-BEAR Vrijheidslaan 35 3990 Peer Belgium https://c-bear.com/contact-us/