Elevate Your Ride with 2pcs Ceramic Bearing Rear Derailleur Pulley Jockeywheel
£15.06
2 x Bike Pulley. The bearings use ceramic bearings and buckle-type gears, which can better prevent the chain from falling off. Supports 9, 10, and 11-speed chains and all rear derailleurs on the market, including for, for Sram;.
