Bicycle Components & Accessories

Bicycle Rear Derailleur Jockey Wheel 12T Ceramic Bearing Pulley MTB Road Bike positive negative tooth guide wheel Idler 4/5/6mm Bicycle Rear Derailleur Jockey Wheel 12T Ceramic Bearing Pulley MTB Road Bike positive negative tooth guide wheel Idler 4/5/6mm Bicycle Rear Derailleur Jockey Wheel 12T Ceramic Bearing Pulley MTB Road Bike positive negative tooth guide wheel Idler 4/5/6mm