Features: 1.Universal Accessory: The shock absorber fits for 50cc?125cc ATVs and Go Karts of replacement for TaoTao, replacement for Buyang, replacement for Coolsport and many other Chinese brands. 2.Powerful Function: The rear suspension shock absorber can provide better overall damping management to improve driving comfort, motorcycle handling and driving safety and stability. 3.Strength Adjustment: The rear spring shock absorber is professionally designed with 5 damping strength, you could adjust according to your needs to deal with different road conditions. 4.High Quality Materials: The rear shock absorber with spring is carefully manufactured by premium steel alloy material, safe and eco?friendly, ensuring reliable strength and durability. 5.Convenient Installation: The heavy duty motorcycle shock absorber is easy to install and remove without complicated operations required for time and effort saving. Specification: Item Type: Rear Spring Shock Absorber_x000D_ Material: Steel Alloy + Spring_x000D_ Mounting Hole Diameter: Approx. 10mm/0.4in_x000D_ Hole Center Distance: Approx. 285mm/11.2in_x000D_ Spring Diameter: Approx. 8mm/0.3in_x000D_ Mounting Hole Thickness: Approx. 30mm/1.2in_x000D_ Function: The spring pressure can be adjusted in 5 levels, you can adjust it according to your own load._x000D_ Please note that you must use an adjustment tool (not included), otherwise it will easily cause finger damage._x000D_ Fitment: _x000D_ Universal for motorcycle off-road vehicle moped ATV, etc. with 285mm hole center distance._x000D_ Replacement for Tao Tao, replacement for Buyang, replacement for Coolsport, replacement for Lifan, replacement for Tank, replacement for SUNL, replacement for Redcat, replacement for Eagle, etc. PackageList: 1 x_x000D_ _x000D_ Rear Spring Shock Absorber