❀Make of Aluminum Alloy, effectively dampens shock and ensures a smooth rides on different terrain. ❀Provides good shock absorbers effect and superior function. ❀Designed for great without adding unnecessary bulk to your folding bike. ❀It provides enough cushioning to handle bumps and bumps during your cycling. ❀It can be flexibly adjusted under different road conditions, significantly improving vehicle stability and ensuring that riders can control it freely.