Feature:1. Wide Application: The rear shock absorber is wide applicable for GY6125 50 60 80 150cc Engine Scooters Mopeds ATV 4 Wheel Motorcycle.2. Function: Provide smoother driving and better overall damping management, improve driving comfort, motorcycle handling and driving safety.3. 5 Gear Adjustable: Designed with adjustable spring, can adjust the strength that suits you best, to deal with different road conditions.4. Dimensions: The mounting hole center distance is 335mm, the length is 360mm, the bore core inner diameter is 10mm, the spring diameter is 6mm, and the mounting hole thickness is 20mm.5. High Strength Material: Made of high strength steel, and high performance spring, the shock damper is wear proof, impact resistant and sturdy.Specification:Item Type: Rear Shock AbsorberMaterial: High strength steel, and high performance springFunction: 5 Gear Adjustable spring, adjust according to your load capacity (Be sure to use adjustment tools)Mounting Hole Center Distance: Approx. 335mm/13.19inTotal Length Of Shock Absorber: Approx. 360mm/14.17inInner Diameter Of Hole: Approx. 10mm/0.39inSpring Diameter: Approx. 6mm/0.24inMounting Hole Thickness: Approx. 20mm/0.79inFitment:Wide applicable for GY6125 50 60 80 150cc Engine Scooters Mopeds ATV 4 Wheel Motorcycle.Package List:1 xRear Shock Absorber