Suitable for most 150cc-750cc street cars, Karting (karting), scooters and Moped Quad (ATV). Please check the size details and make sure it will fit your motorcycle before purchase. A pair of motorcycle shock absorbers, made of Solid Steel and Aluminum. The diameter of the round hole at the bottom is 10mm, and the length between holes to hole is 320mm. Please note: Installation Manual is not included??qualified mechanic fits or check is recommended. Material: Aluminium and solid steelColor:AsPicturesShowed DimensionFactory Air Pressure: 0.5MpaMaximum Air Pressure:0.7MpaTotal Length: 350mm(13.7″)Distance from eye to eye: 320mm (12.6″)Spring Thickness: 8mmSpring Width: 60mmTop and bottom hole diameter: 10mmMaximum load: 200 kg (??440 lbs)Installation Type: Eye to Eye Package included:One pair shock absorbers1 x WrenchInstallation Manual is not includedRecommend qualified mechanic fits or checks after the fitting of this product