Features: 1.Universal Fit: High performance shock spring is universal for 305mm hole center distance motorcycle off?road vehicle moped ATV, etc. 2.Applicable Model: Fit for 50cc?125cc Chinese brands ATVs and Go Karts such as: replacement for TaoTao, replacement for Buyang, replacement for Coolsport, replacement for Lifan etc. 3.Premium Material: Made of high quality steel alloy and high performance spring material, safe and eco?friendly, good strength and durability. 4.Stable Performance: Provides smoother driving and better overall damping management, improving driving comfort, motorcycle handling and driving safety. 5.Adjustable Damper: The spring pressure can be adjusted in 5 gears. You can adjust it according to your own load. Be sure to use an adjustment tool, otherwise it will easily cause finger damage. Specification: Item Type: Rear Shock Absorber_x000D_ Material: Steel alloy + high performance spring_x000D_ Mounting Hole Diameter: Approx. 10mm/0.39in_x000D_ Hole Center Distance: Approx. 305mm/12in_x000D_ Spring Diameter: Approx. 9.2mm/0.36in_x000D_ Mounting Hole Thickness: Approx. 30mm/1.18in_x000D_ Function: 5-speed adjustable spring pressure_x000D_ Fitment:_x000D_ Universal for 305mm hole center distance motorcycle off-road vehicle moped ATV, etc._x000D_ Fit for 50cc-125cc Chinese brands ATVs and Go Karts such as:_x000D_ Replacement for TaoTao_x000D_ _x000D_ Replacement for Buyang_x000D_ Replacement for Coolsport_x000D_ Replacement for Lifan_x000D_ Replacement for Tank_x000D_ Replacement for SUNL_x000D_ Replacement for Redcat_x000D_ Replacement for Eagle, etc PackageList: 1 x_x000D_ _x000D_ Rear Shock Absorber