Rear Derailleur Adapter for MTB Bicycle Bike, Shifter, Bicycle Accessories with Shimano Rear Derailleur Extension
- Made of aluminum alloy material, workmanship, solid and rigid, very durable. This product is used for rear derailleur extension, universal suit for most bikes Expand the flywheel speed change more smoothly. By adding this product into the original bicycle dial, hook the converter, you can easily solve the problems you encounter. Great accessory for cycling enthusiasts.