Positive and Negative Teeth: The Positive and Negative Teeth of the Rear Derailleur Ceramic Guide Wheel Are Designed to Fit more Closely and Reduce the Lateral Virtual Position, Which Can Shorten the Speed Change Response Time and Improve the Speed Change Performance.
Reducer Sleeve: With A Reducer Sleeve, the Compatibility Is Stronger. The Original Diameter of 6mm Can Be Converted to 4/5mm Through the Reducer Sleeve, and the Rotation Is Flexible.
Stable and Durable: Silicon Nitride Bearings, High-precision Force Is Not Easy to Deform, High Temperature and Low Temperature Resistance, Cold Resistance, Wear Resistance, High Transmission Efficiency, Smooth Shifting, more Effortless Riding
Deep Tooth Guide Pulley: Deeper Tooth Marks to Reduce Chain Loss, Synchronizing With the Direction of Chain Transmission, Smoother Chain Entry and De-chaining, Surface Anodized Treatment, Wear-resistant, Ceramic Bearing, Lightweight Aluminum Alloy
Guarantee: Any Questions Or Concerns, Please Feel Free to Contact Us so We Can Do Our Best to Solve It. We Will Strive to Provide the Highest Quality Service For You.