Shanrya 11T Ceramic Bicycle Rear Derailleur Wheel - Self-Lubricating Road Bike Derailleur Pulley for Smooth Gear Shifting | Perfect for Road Cycling, Commuting & Performance Training

Specification:Item Type: Bicycle Rear Derailleur PulleyMaterial: Metal CeramicWeight: Approx.10g/0.4ozSize: Diameter: Approx. 4.2cm/1.7inPackage List:1 x Guide Wheel2 x Reduction Sleeve

Ceramic Bearing Process: Bearings are ceramic bearings, which greatly reduces friction, self lubricating system, good lubrication performance, and improves riding experience.

To Reduce Chain Drop: The deep tooth guide wheel can effectively reduce the chain drop, the speed change is crisp, and the winding is more stable.

Excellent Design: Metal ceramic bearing rear derailleur wheel, metal bearing, ceramic ball, CNC iron cutting, anodizing, anti corrosion and wear resistant.

Reducer Sleeve Compatibility is Better: Riding without the chain, suitable for 8, 9, 10, 11 speed rear derailleur, the outer diameter of the installation shaft is compatible with 4mm, 5mm, 6mm.

Rotation: Ceramic balls are self lubricating and maintenance free, and at the same time, the transmission efficiency is higher, and the riding is labor saving.