The Hope 13 Tooth Jockey Wheels are a great option for worn jockey wheels or as an aesthetic upgrade to further customise your ride. Stainless steel cartridge bearings with low friction seals for reduced drag Labyrinth style spacers encapsulating / protecting the bearings, increasing product life and reducing maintenance Lightweight yet robust design CNC machined from 2014 T6 aluminium 13 tooth upper / 13 tooth lower Available in black, silver, bronze, red, blue, purple and orange Weight 36.5g per pair Suitable for Shimano 12 speed derailleurs* This is a single jockey wheel