Features: 1.Function: Provide smoother driving and better overall damping management, improve driving comfort, motorcycle handling and driving safety. 2.High Strength Material: Made of high strength CNC aluminum alloy, steel and high performance spring, which is compression resistance, deformation proof, strong pressure resistance. 3.Adjustable Spring: The suspension shock damper with adjustable spring, can adjust the strength that suits you best, to deal with different road conditions. 4.Dimensions: Mounting hole diameter approximate 10mm/0.39in, hole center distance approximate 270mm/10.63in, spring diameter approximate 11mm/0.43in. 5.Application: Suitable for 70cc?150cc Dirt Pit Bike ATV QUAD GO KART, universal fit for all 270mm hole center mounted Motorcycles, ATVs, SUVs, scooters. Specification: Item Type: Rear Shock Absorber_x000D_ Material: CNC aluminum alloy + high-strength steel + high-performance spring_x000D_ Hole Center Distance: Approx. 270mm/10.63in_x000D_ Mounting Hole Diameter: Approx. 10mm/0.39in_x000D_ Spring Diameter: Approx. 11mm/0.43in_x000D_ Maximum Load: Approx. 800lbs/363kg_x000D_ Mounting Hole Thickness: Approx. 20mm/0.79in_x000D_ _x000D_ Features: Spring pressure is adjustable, you can adjust it according to your load_x000D_ (Please note that you must use the adjustment tool (not included), otherwise it is easy to hurt finger)_x000D_ Application: For the replacement, refurbishment, upgrade, modification, decoration, etc. of the original car shock absorber_x000D_ Fitment:_x000D_ Universal fit for 270mm mounting hole distance motorcycles, ATVs, SUVs, scooters, etc_x000D_ Fit for most of the Chinese brands ATVs and Go Karts, such as for TaoTao, for Buyang, for Coolsport, for Lifan, for Tank, for SUNL, for Redcat, for Eagle, etc.