C-Bear Full Ceramic 11-Speed Jockey Wheels

##C-Bear Full Ceramic 11-Speed Jockey Wheel As their name suggests; the Full Ceramic 11-Speed Jockey Wheels from C-Bear have ceramic races as well as ceramic balls for a super low friction set up. The wheels themselves are made from durable; lightweight aluminium and they are compatible with SRAM and older generation Shimano 10 and 11-speed rear derailleurs.