High-performance shock absorber: The suspension provides smoother driving and better overall damping management, improving driving comfort, motorcycle handling and driving safety Product fitment: general-purpose air shock absorber, suitable for most 90cc 150cc-750cc street cars, Karting (karting), scooters and Moped Quad (ATV), with a force of 280mm. A great choice for upgrading your motorcycles and off-road vehicles. Product material: CNC aluminum alloy + high-strength steel, high-performance spring. Steel anti-corrosion, waterproof, anti-rust, personalized appearance (Black +Gold) Product parameters: Total length: 315 mm (12 3/8 inches). Eye diameter (with sleeve): 12 mm. Maximum eye tensile strength: 2,000 kgf. Spring stiffness: 110 kg. Maximum load: 330 lbs/150Kg Adjustable Air Reservoir: The air tank of the shock absorber can be adjusted for inflation and deflation, to deal with different road conditions.Easy to install, before placing an order, please make sure the size fits your