Features: 1.Wide ApplicationThis air shock absorber is universal for 280mm mounting hole distance for motorcycles, ATVs, off road vehicles, scooters, etc. It fits for most of the Chinese brands ATVs and Go Karts, such as replacement for TaoTao, replacement for Buyang, replacement for Lifan, replacement for SUNL, etc. 2.Durable: The shock absorber is made of premium CNC aluminum alloy, high performance springs, and rubber, with reliable quality and can be used for a long time without the need for frequent replacement. 3.Easy InstallationThis product is a perfect replacement, allowing you to directly replace worn or damaged rear shock absorber. And the installation is simple, and can be completed independently in short time. 4.Adjustable Springs: The rear suspension shock absorber comes with adjustable springs that can adjust the strength most suitable for you to cope with different road conditions. As an elastic element, springs can absorb and filter the vibrations generated by riding on road bumps. 5.Impact Reduction: Shock absorbers are designed to suppress the repeated bouncing of shock absorbers after absorbing various impacts from the road surface, in order to accelerate the attenuation of the inherent vibration of the springs and provide better driving smoothness for vehicles. Specification: Item Type : 280mm Rear Shock Absorber_x000D_ Material: CNC Aluminum alloy+12mm diameter high performance spring_x000D_ Total Length: Approx. 310mm / 12.20 in_x000D_ Installation Hole Center Distance:Approx. 280mm / 11.02 in_x000D_ Inner Diameter of Hole Center: Approx. 10mm / 0.39 in_x000D_ Spring Diameter:Approx. 12mm / 0.47 in _x000D_ Installation Hole Thickness:Approx. 20mm / 0.79 in_x000D_ Characteristic: _x000D_ Adjustable spring pressure, you can adjust according to your own load conditions_x000D_ ( Please note that adjustment tools must be used, otherwise finger loss may occur)_x000D_ Application: _x000D_ Used for replacement, refurbishment, upgrade, modification, decoration, etc. of original vehicle shock absorbers_x000D_ Fitment: _x000D_ Universal for 280mm mounting hole distance for motorcycles, ATVs, off road vehicles, scooters, etc_x000D_ Fit for most of the Chinese brands ATVs and Go Karts, such as replacement for TaoTao, replacement for Buyang, replacement for Lifan, replacement for SUNL, etc Note: Please carefully check the size before purchasing