Absorber shock promptly in the clumpiest road to improve security and make you feel more comfortable Shock strength adjustable. Best choice for replacement, style upgrading or bike modification Fit on most 150cc-750cc Sport bikes and Dirt Bikes, Go-kart and Moped Quad Please check the size details and make sure it will fit your bike before purchase. Professional installation is recommended Instruction is not included Specification: Condition: 100% New Product Name: Shock Absorber Material: Aluminum+Iron Air Reservoir: Adjustable Placement On Vehicle: Rear,Left, Right Fitment: For work on most 150cc-750cc street bikes, karting(go kart), scooters and moped quad (ATV) with shocks of 340mm eye to eye distance. (Please Compare With Your Original One Before Purchasing) 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 motorcycl