1,Aluminum Alloy Material: The bike shock absorber is made of premium aluminum alloy material, which is stable, durable and has long service life. 2,Vibration Damping: Bike damper is made of premium spring, which effectively reduces vibration and is a practical accessory for bikes. 3,Universal Design: Replacement spring shock absorber is suitable for mountain bikes, electric bikes, etc, easily upgrade the appearance of your bike. 4,High Performance: The bicycle rear suspension can make the bicycle easy to keep traction on steep hills and ride more smoothly. 5,Easy To Install: Metal bicycle shock absorber has a sturdy structure and is easy to install, directly replacing old or damaged parts. 1 x Bike Shock Absorber Item Type: Bike Shock AbsorberMaterial: Aluminum AlloyProduct Specification: 150 x 400 Pound Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.