1 Rear Derailleur Wheel. Sealed steel bearing, waterproof and dustproof, super. Material: Aluminum alloy tooth/ceramic bearing. Color: black/red/blue.
1PC 11-17T-Wheel MTB Ceramic Bearing Pulley Road Bicycle Rear Derailleu
11-13T Wheel MTB Ceramic Bearing Pulley Road Bike/Bicycle Rear Derailleur
11-13T Wheel MTB Ceramic Bearing/Pulley Road/Bike Bicycle Rear Derailleur
11-17T Wheel MTB Ceramic Bearing/Pulley Road Bike/Bicycle Rear Derailleur
11-17T Wheel MTB Ceramic Bearing Pulley Road Bike Bicycle Rear-Derailleur
11-17T Wheel MTB Ceramic Bearing-Pulley-Road Bike/Bicycle Rear-Derailleur
