MTB Road Bike Rear Derailleur Pulley Wheel 12T Narrow Wide with CNC Machined Metal Housing and Bearings (Black)
11T Rear Derailleur Pulley Wheel Road Bike Steel Bearing Black
Bike Rear Derailleur Pulley, Aluminum Alloy 11T/13T Guide Roller Bicycle Derailleur, Wheel Derailleur Pulley for 8/9/10/11 Speed Rear Derailleurs (Purple, 11T)
Bike Rear Derailleur Pulley, Aluminum Alloy 11T/13T Guide Roller Bicycle Derailleur, Wheel Derailleur Pulley for 8/9/10/11 Speed Rear Derailleurs (Black, 11T)
2pcs Bicycle Rear Derailleur Pulley, 10T/11T/12T/13T/14T/15T/16T/17T Aluminum Alloy Jockey Wheel Ceramic Guide Pulley Bike Guide Roller Wheel for 4/5mm Guide Wheel (Colourful,13T)
Yundxi 2pcs Bicycle Rear Derailleur Pulley, 10T/11T/12T/13T/14T/15T/16T/17T Aluminum Alloy Jockey Wheel Ceramic Guide Pulley Bike Guide Roller Wheel for 4/5mm Guide Wheel (Colourful,11T)
