Universal for most 150cc~750cc street bikes, Karting(Go kart), Scooters and Moped Quad (ATV) with shocks of 280mm Length of Eye to Clevis Bushing hole size: 12mm; Length between holes to clevis: 280mm Absorber shock promptly in the clumpiest road to improve and make you feel more comfortable No instruction included, professional installation recommended. Installation type: Eye to Eye Please check the size details and make sure it will fit your bike before purchase Color:BlackGold | Size:280MM Universal for most 150cc~750cc street bikes, Karting(Go kart), Scooters and Moped Quad (ATV) with shocks of 280mm Length of Eye to ClevisBushing hole size: 12mm; Length between holes to clevis: 280mmA pair of rear motorcycle shock absorbers, made of aluminum and stainless steel;Dimension:Total Length:315mm (12 3/8″)Length of Eye to Clevis Eye Core:280mm (11″)Clevis Hole Diameter: 8mmClevis Inner Width: 20mmClevis Maximum Tensile Strength: 2,000 KgfSpring Thickness: 7mmSpring Width: 60mmSpring Stiffness: 110 kgMaximum load: 150kgAir Reservoir: AdjustableFactory Air Pressure: 0.4 MpaMaximum Air Pressure: 0.5 MpaPackage included :One pair shock absorbersNotes:No fitting manual included.Recommend qualified mechanic fits or checks after the fitting of this product.