Kcnc jockey wheels system with ceramic bearings

Product Description The KCNC derailleur cage and derailleur pulleys are suitable for older Shimano Dura Ace and Ultegra models. The special ceramic bearings enable smooth running at all times. Technical Information:Material:hard-coated aluminium (7075)Bearings:CeramicTooth Count:14 / 16 tCompatibility:Shimano 11-speed Dura Ace RD-9000, 11-32 teethShimano 11-speed Ultegra RD-6800, 11-32 teethFeatures:CNC machinedwith special ceramic bearingsContents:1 pair of KCNC Jockey Wheel aluminium derailleur pulleys1 x derailleur pulley cage Manufacturer: KCNC International No. 5 Alley 1 Lane 123 Section 6 Mingzhong Rd Taichung Taiwan info@kcnc.com.tw Distributor: COOOLsport HandelsgmbH Feistritz 29 8843 St. Peter am Kammersberg Autriche info@cooolsport.com