Pair of Round Hole 280mm Aluminum and solid steel motorcycle shock absorbers Universal compatible for Honda/Yamaha/Suzuki/Kawasaki, the diameter of the round hole at the bottom is 12mm, and the length between holes to hole is 280mm Absorber shock promptly in the clumpiest road to improve security and make you feel more comfortable No instruction included, professional installation recommended. Installation type: Eye to Eye Package included,One Pair Shock Absorbers, 2 x Wrench, 2 x Bushing Color:280mm Black Golden Item Specific:Condition: Brand New & AftermarketColor: Showed as pictureMaterial: Solid Steel + Aluminum AlloyDimension:Total Length: 310mm (12.2/8″)Length of Eye to Eye Core: 280mm (11″)Eye Diameter(with bushing): 12mmEye Diameter(Without bushing): 16mmEye Thickness: 21mmEye Maximum Tensile Strength: 2,000 KgfSpring Thickness: 7mmSpring Width: 50mmWorking Stroke: 46mmSpring Stiffness: 110 kgMaximum load: 150 kg (330 lbs)Air Reservoir: AdjustableFactory Air Pressure: 0.4 Mpa