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