Progressive self-adjusting damper to control any speed of compression and rebound damping ✔️ Progressive spring is adapt to any road condition for good comfort and stability ✔️ High pressure nitrogen gas to improve the smoothness of your riding without loosing performance ✔️ Rebound adjuster to support and control spring and outgoing shock movement, click for adjustment ✔️ Spring preload ( Hudraulic or Thread) Adjust spring preload by hydraulic or thread for the best perfomance pf your shock absorber ✔️ Compression adjustment to control ingoing motion by using a valve to control quantity of oil going through to reservoir #Bottomcase #frontshock #mutarru