MUQZI MTB Road Bicycle 12T Positive Negative Tooth Jockey Wheel Rear Derailleur Bike Guide Pulley Ceramics Bearing

High-concerned chemical：None Model Number：Bike 12T Jockey Wheel Total Capacity：71 Gears：12 Speed Material：Aluminum alloy Type：Rear Derailleur Brand Name：MUQZI Origin：Mainland China Components：Derailleurs Color：Black Red Gold Blue

High-concerned chemical: None Model Number: Bike 12T Jockey Wheel Total Capacity: 71 Gears: 12 Speed Type: Rear Derailleur Brand Name: MUQZI Components: Derailleurs Color: Black Red Gold Blue