Used on rear derailleur for chain transportation and speed changing. 1 x Bike Rear Derailleur Pulley. Apply for most rear derailleurs. We'd like to settle any problem in a friendly manner.
11T Bike Rear Derailleur Pulley Sealed Bearing Wheel Aluminum Shifts Guide Wheel
Mirweon 13T Aluminum Alloy Bicycles Shifts Guide Wheel Rear Derailleur Pulley Sealed Bearing Wheel Bike Rear Derailleur Pulley
13T Bicycles Rear Derailleur Pulley Bikes Rear Derailleur Pulley Sealed Bearing Wheel Aluminum Alloy Shifts Guide Wheel
SM Bike 11T Mountain Bike Rear Derailleur Pulley Ceramic Bearing Jockey Wheel
11T Aluminum Bicycles Shifts Guide Wheel Rear Derailleur Pulley Sealed Bearing
