Progressively wound springs for a smooth,comfortable ride,Adjustable spring preload,Includes necessary parts to service your bike??s shocks Maintain Stability??Suspension impact strut provides smoother driving and better overall damping management,and the spring seat is insulated from the spring to ensure a quiet and comfortable ride. Motorcycle shock absorber universal fit for most vehicles. A precision made part for strength and durability This suspension provides a smoother ride and better Specification: Product Name:Shock Absorber Color:Gold Material:Aluminum+Iron Eye Diameter:10mm Eye Thickness:21mm Spring Thickness:7mm Spring Width:63mm WorStroke:65mm Factory Air Pressure:0.4 Mpa Maximum Air Pressure:0.5 Mpa Placement On Vehicle:Rear,Left,Right Features: 1.Pressure can be adjusted by springs and air (nitrogen). 2.High quality,high-performance motorcycle parts. 3.The damper and spring designed for long durability. 4.Reduce bumps in the driving of motorcycles. 5.Easy to install. Fitment: Universal Motorcycle Eye To Eye Length 325mm. (Please Compare With Your Original One Before Purchasing!) Package Includes: 2 X Shock Absorbers Your satisfaction is very important to us.We provide a full range services for each customer to meet the highest demands of our customers. This type of motorcycle shock absorber is designed to reduce the vibration caused by rough roads.