Type:jockey wheel. Material: aluminium alloy. A necessary accessary for your bicycle.
1Pc Ultralight Aluminum Alloy Bike Bearing Jockey Wheel Rear Derailleur PulH`uk
1Pc Ultralight Aluminum Alloy Bike Bearing Jockey Wheel Rear Derailleur Pulleyxe
1Pc Ultralight Aluminum Alloy Bike Bearing Jockey Wheel Rear Derailleur PulY xb
1Pc Ultralight Aluminum Alloy Bike Bearing Jockey Wheel Rear Derailleur PulH~J~
Mirweon 13T Aluminum Alloy Bicycles Shifts Guide Wheel Rear Derailleur Pulley Sealed Bearing Wheel Bike Rear Derailleur Pulley
2pcs 11T-13T MTB Road Bike Aluminum Bearing Jockey Wheel Rear Derailleur Pulley