1 Rear Derailleur Wheel. Sealed steel bearing, waterproof and dustproof, super. Made of aluminum alloy and ceramics, light weight, stylish appearance and strong compatibility. Material: Aluminum alloy tooth/ceramic bearing.
Pratical Rear Derailleur Pulley Aluminum Alloy Ceramics Dustproof Waterproof
Pratical Rear Derailleur Pulley Aluminum Alloy Ceramics Dustproof Light Weight
Pratical Rear Derailleur Pulley Aluminum Alloy Ceramics Dustproof Replacement
Pratical Rear Derailleur Pulley Aluminum Alloy Ceramics Sealed Steel Bearing
Rear Derailleur Pulley Aluminum Alloy Dustproof Light Weight Replacement
