Rear Derailleur Pulley, Ceramic Bearing Jockey Wheel Pulley Aluminium Alloy Roller for Road Mountain Bike red 13T

Rear Derailleur Pulley, Ceramic Bearing Jockey Wheel Pulley Aluminium Alloy Roller for Road Mountain Bike red 13T. Made of aluminum alloy and ceramic material, with upgraded CNC process. which is anti rust sturdy and durable, lightweight.Improve riding efficiency, with ceramic bearing, can reduce the resistance during cycling, which ensures fast and sensitive working.The rear derailleur pulley is used on rear derailleur for chain transportation and speed changing, which is a necessary accessary for bicycles.Our Bike Rear Derailleur Pulley is fits almost mountain bikes and road bikes. it is also suitable for other bicycles with rear derailleur.included a screw and 2 replaceable bushing to enrich your installation choices.Rear Derailleur Pulley Ceramic Bearing. Mountain Road Bike Sealed Bearing Jockey Wheel. Rear Derailleur Pulleys Bike Guide Roller Wheel. Aluminum Alloy Bikes Cycling Accessories Parts. Drivetrain Freewheel Guide Derailer Extender Gear.