Motorcycle shock absorber universal fit for most vehicles, like Honda/Yamaha/Suzuki/Kawasaki, etc. The diameter of the round hole at the bottom is 12mm. Fit bikes with shock absorbers of 320mm eye to eye distance.Shock strength adjustable. Best choice for replacement, style upgrading or bike modification.Please check the size details and make sure it will fit your bike before purchase.The coil-over springs are helpful to reduce the shock.Package included: One Pair Shock Absorber, 2 X Wrench, 2 X 12mm Tubes[10mm or 14mm tube bushes ,Clevis Ends(U-Types or Round Eyes) are also available in our store.]Color:320 Sliver and BlackItem: 320mm Motorcycle Shock Absorber One PairColor: As the pictures showsInstallation Type: Eye to EyeDistance from eye to eye: 320mm (12.6″)Working strobe: 60mmSpring Thickness: approx. 8mmMaximum load: 200 kg (??440 lbs)Top and bottom hole diameter: 12mmMaterial: Aluminium and solid steelPlacement on Vehicle: Rear,Left,RightEye Diameter(with bushing removed): 16mm