Features: 1.Wide Applications: 350mm shock absorber is common to most 50cc 110cc 125cc 250cc Pit Quad Trail Dirt Bike Go Kart Motorcycle. 2.High Performance Spring: With adjustable damping, you can adjust the best strength for you to cope with different road conditions. 3.Smooth Riding: Suspension shock will provide a smoother ride experience and better overall damping management for improved ride comfort. 4.Material: Made of high hardness CNC aluminum alloy and high performance spring, high strength, waterproof and wear resistant, long service life. 5.Dimensions: Mounting hole distance is 350mm/13.8in, total length is 385mm/15.2in, inner diameter of hole is 10mm/0.39in, spring diameter is 11.5mm/0.5in. Specification: Item Type: Shock Absorber_x000D_ Material: CNC Aluminum alloy + high performance spring_x000D_ Characteristic: With adjustable damping, you can adjust according to your own load_x000D_ (Please note that you must use an adjustment tool, otherwise it will easily cause finger damage)_x000D_ Mounting Hole Distance: Approx. 350mm/13.8in_x000D_ Total Length of Shock Absorber: Approx. 385mm/15.2in_x000D_ Inner Diameter of Hole: 10mm/0.4in_x000D_ Spring Diameter: Approx. 11.5mm/0.5in_x000D_ Applicable: Standard 350mm hole distance, common to most 50cc 110cc 125cc 250cc Pit Quad Trail Dirt Bike Go Kart Motorcycle