Features1Aluminum Alloy: This bike shock absorber is made of high grade aluminum alloy material, stable, durable and long lasting. 2High Performance: The bike rear shock absorbers are high strength, good corrosion resistance and high toughness. 3Quality Spring: Bike spring shock absorber is made of high grade spring, which effectively reduces vibration and is a practical accessory for bikes. 4Sturdy and Exquisite: This bike rear suspension shock absorber is sturdy in construction, well made with exquisite details and easy to install. 5Scope of Application: The bike suspension damper is suitable for mountain bikes, electric bikes and many other bikes, etc.SpecificationItem Type: Bike Shock AbsorberMaterial: Aluminum AlloySpecification: 100x300 PoundsPackage List1 xBike Shock Absorbers