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 Light Weight
Pratical Rear Derailleur Pulley Aluminum Alloy Ceramics Dustproof Waterproof
Pratical Rear Derailleur Pulley Aluminum Alloy Ceramics Sealed Steel Bearing
Pratical Rear Derailleur Pulley Guide Wheel Ceramics Dustproof Waterproof
Pratical Rear Derailleur Pulley Aluminum Alloy Light Weight Waterproof
Hot Sale Rear Derailleur Pulley Guide Wheel Ceramics Dustproof Replacement
