11T/12T/13T Bike Rear Derailleur Pulley Roller Idler Bearing Jockey Wheel Pulley
Can be converted into 4/5mm bearings after installation. In addition, it is also suitable for other bicycles with rear derailleur. High Quality: Made of aluminum alloy material, with upgraded CNC process.
11T/12T/13T Bike Rear Derailleur Pulley Roller Idler Bearing Jockey Wheel Pulley
Can be converted into 4/5mm bearings after installation. In addition, it is also suitable for other bicycles with rear derailleur. High Quality: Made of aluminum alloy material, with upgraded CNC process.
11T/12T/13T Bike Rear Derailleur Pulley Roller Idler Bearing Jockey Wheel Pulley
Can be converted into 4/5mm bearings after installation. In addition, it is also suitable for other bicycles with rear derailleur. High Quality: Made of aluminum alloy material, with upgraded CNC process.
11T/12T/13T Bike Rear Derailleur Pulley Roller Idler Bearing Jockey Wheel Pulley
Can be converted into 4/5mm bearings after installation. In addition, it is also suitable for other bicycles with rear derailleur. High Quality: Made of aluminum alloy material, with upgraded CNC process.