Extends chain life Protect your chain from rocks and dirt with our innovative sprocket guard design, delivering maximum protection and durability for your bicycle chain. Adjustable ride quality The bicycle chain stabilizer features a 32-38T gear ratio range, offering a broad set of options to meet your needs. The Single Disc System makes it easy to adjust gear ratios on the fly and ensures a smooth, effortless ride on any terrain. Improved chain functionality Wear resistant and designed to resist chain movement during vibration, the stabilizer reduces up-and-down chain motion. Its robust construction helps prevent chain damage and promotes smooth riding. Enhanced riding stability The stabilizer protects the chain from slipping or damage, giving riders greater ride stability. It enables uninterrupted, safer rides with confidence. Use scenarios - Mountain trail riding on rocky terrain: the sprocket guard and stabilizer work together to protect the chain from impact and debris, maintaining smooth operation. - Gravel and mixed-terrain touring: adjustable gear ratios allow quick changes for climbs and descents while keeping the chain stable. - Daily commuting with variable surfaces: improved stability and protection help ensure reliable performance across potholes, gravel, and debris.