Common size: rear suspension shock absorber, Compatible with rear suspension spring/shock damper. Fit for 110cc 150cc 200cc 250c ATV quad bike kart scooter kart parts. It is suitable for many other bicycles of similar size and pound size. Standard design: High quality precision parts designed to improve vehicle performance and efficiency. Replace old or damaged directly. anti shock function: reduce vehicle body vibration when passing through uneven roads, ensure the stability of the human body and vehicles, and provide smoother and better overall driving management. High quality materials: The motorcycle shock absorbing spring is made of aluminum alloy and alloy steel. The surface is smooth and comfortable, high strength, strong tensile strength, high temperature resistance, not easy to damage, acid and alkali resistance and ensure maximum durability. Quality Assurance: 12 months warranty, no return for 1 month (no damage to the goods). If you need these products, please do not hesitat