1Wide Application: Shock absorber with 420mm mounting hole center distance is universal for most 150cc 250cc Dirt Bike Atv Quad Go kart Scooter. 2Adjustable Springs: Suspension shock absorber with adjustable damping, you can adjust the strength that best suits your needs to cope with different road conditions. 3Stable Performance: Suspension shock damper is able to provide a smoother ride and better overall damping management for improved ride comfort. 4Advanced Material: Suspension shock damper is made of premium materials, which is hardness, rustproof, waterproof, sturdy and durable and has a long service life. 5Ideal Replacement: Fine craftsmanship, this is your ideal option and replacement for your original damaged and old shock absorber, perfect for your car.