1. chain protection: Improve the performance of your bike with the exclusive sprocket protection design of our chain stabilizer. Protects the chain from stones and dirt and significantly extends the life of the chain 2. Adjustable riding qualityOur bicycle chain stabilizer is equipped with a 32 38T single disc gear ratio, which a wide range of options to meet your specific needs. The Single Disc System makes it easy to adjust the gear ratios at any time and ensures a smooth and easy ride in any terrain 3. Improved chain performance: Experience smooth and rides as our stabilizer prevents chain damage, reduces movement during vibration, and features an anti hair loss structure. In addition, it does not wear out easily, thanks to robust nylon material 4. Reliable performance: Our bicycle chain stabilizer prevents the chain from slipping or being damaged, improves riding stability, and at the same time ensures a secure fit for cyclists to enjoy a confident and controlled ride