About this projectGood Absorption and High Stability-Ensure the smoothest ride possible by equipping your bike with this bike seat shock absorber - even on rough roads.[How to install] - Please check the installation instructions on the package or website, and then install it step by step. You can also refer to the video.Shock Absorption-It has obvious shock absorption effect. Mitigate road vibrations or shocks, protect your hips, and make riding smoother. Note: If you feel too elastic, you can adjust the position down through the scale. If there is no bounce, adjust the position up by the scale. Because it has a different shock absorption effect than the position scaleImportance- Since the adjustable clamp can be adjusted back and forth by sliding, when determining the position, the clamp must be tightened with a hexagonal wrench, otherwise it will slide back and forthHow to Adjust- Please adjust your saddle absorber according to your body type such as height. Tuning takes more time, but you'll find the best way and make a great upgrade to your bike.Increase Saddle Height- The shock absorber will raise your saddle height by 2 inches to 3.35 inches, so please check if your bike is ok Bicycle Rear Shock Absorber-The spring device makes your bike ride smoothly and keep your body healthy