Features: 1.Premium Material: The shock absorber is precision made with CNC aluminum alloy and high performance spring showcasing strong durability and corrosion resistance for reliable use. 2.Adjustable Spring: Equipped with an adjustable spring, this heavy duty suspension shock damper can be tailored to your preferred strength, accommodating varying road conditions. 3.Dimensions: Detailed measurements include a mounting hole diameter of 10mm/0.39in, hole center distance of 375mm, spring diameter of 10mm, and an overall length of 410mm. 4.Universal Fit: With a 375mm center distance, this motorcycle shock absorber is a universal fit for Dirt Pit Bikes, ATVs, go scooters, mopeds, and quad bikes. 5.Ideal Upgrade: The motorcycle shock absorber is an excellent choice for enhancing your motorcycles and off road vehicles, offering improved performance and durability. Specification: Item Type: Shock Absorber Material: CNC Aluminum Alloy + High-Performance Spring Overall Length: Approx. 410mm/16.14in Mounting Hole Distance: Approx. 375mm/14.76in Mounting Hole Inner Diameter: Approx. 10mm/0.39in Spring Diameter: Approx. 10mm/0.39in Features: Adjustable spring pressure, you can adjust according to your own load (please note that you must use adjustment tools) Application: Replacement, refurbishment, upgrade, modification, decoration, etc. for original shock absorbers Fitment: Universal fit for motorcycles, ATVs, off road vehicles, scooters, etc. with 375mm hole distance. Fit for most Chinese brands ATVs and Go Karts, such as replacement for TaoTao, replacement for Buyang, replacement for Lifan, replacement for SUNL, etc.