Features: 【Accurate Chain Adjustment】Use high-Exactness ball bearing design to Secure consistent chain tension. It solves the problem of large errors in traditional manual adjustment and is suitable for motorcycle enthusiasts who use long distances and high frequency. 【Durable Substance Upgrade】Made of reinforced steel, providing excellent wear resistance and Oxidation resistance. It avoids the trouble of easy damage to ordinary plastic parts, and is especially suitable for use in rainy and humid environments, extending the service life of the product. 【Broad Spectrum Compatible Design】Universal structure is suitable for a variety of motorcycle models, and can be installed without additional modification. It solves the problem of incompatibility between different models of accessories and is suitable for users with multiple motorcycles. 【Convenient experience in seconds】It can be quickly installed without tools, saving time and energy. Traditional regulators are complex to install, and this design allows you to replace They in minutes, making They suitable for daily busy commuters. [Peaceful Procedure enjoyment] Special shock absorbing Substances effectively reduce chain running noise and improve riding comfort. Say goodbye to the Bothersome noise when the chain is running, suitable for users who Persue a quiet riding experience. Specifications: substance: Iron + Plastic Practicality: Effectively reduce chain trembling and noise, extend chain service life, suitable for various motorcycle modification needs Package Includes: Motorcycle chain tensioner × 1 note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color