Drivetrain Freewheel Guide Derailer Extender Gear

• High Quality: Made of aluminum alloy and ceramic material, with upgraded CNC process. which is anti rust sturdy and durable, lightweight.
• Ceramic Bearing Pulley: Improve riding efficiency, with ceramic bearing, can reduce the resistance during cycling, which ensures fast and sensitive working.
• Features: The rear derailleur pulley is used on rear derailleur for chain transportation and speed changing, which is a necessary accessary for bicycles.
• Compatible Design: Our Bike Rear Derailleur Pulley is fits almost mountain bikes and road bikes. it is also suitable for other bicycles with rear derailleur.
• Easy to install: included a screw and 2 replaceable bushing to enrich your installation choices.

1 Bike Rear Derailleur Pulley Wheel1 Screw2 Replaceable Bushing