Suit for electric scooters and bikes.Bumper Spring design Shock Absorber.Made of strong material.Please make sure that the spring nut has been against the spring before riding.Function: This is an 8-inch electric scooter for Kugoo and other 6.5-inch, 8-inch, 10-inch electric scooters.Suspension: 551LBs/ / in rear shockUniversal fit most bikeNote: Shock Absorber, Not contents the screws or other accessories.Material: MetalColor: RedScrew Dia.: about 8.5mmSize(approx.): 11*4.5*3CMPackage Contents:1 * Shock AbsorberOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.