1 Rear Derailleur Jockey Wheel ONLY. Material: High strength aluminum alloy + Steel bearing. Sealed steel bearing, waterproof and dustproof, super durable. Specification: Guide wheel with 4/5/6mm shaft.
2pcs 11T MTB Road Bike Aluminum Bearing Jockey Wheel Rear Derailleur Pulley
2pcs 10T MTB Road Bike Aluminum Bearing Jockey Wheel Rear Derailleur Pulley
11T-13T MTB Road Bike Aluminum Bearing Jockey Wheel Rear Derailleur Pulley
MTB Road Bike Ceramic Bearing CNC Pulley Rear Derailleur 12/14T,Wheel
13T Sealed Bearing Jockey Wheel Rear Derailleur Pulley 4mm 5mm 6mm for Road Bike
