Made of aluminum alloy material,hard to break,strength and durability. Spring seats insulated to springs to ensure quiet and comfortable ride quality. Designed for bicycle shock-absorbing. Essential for mountain bikes,electric bikes. Suitable for home,bike store and so on. A gift for friends that likes riding bike. Eye center to center: 270mm Mounting hole diameter: 10mm 700lbs Manufacturer Part Number: TM153 Item Weight: 1.2KG Type: Oil Pressure Eye center to center: 270mm Special Features: Rear Shock Material Type: METEL Measurement: 700lbs Rear suspension shock absorber, suitable for quads, some buggies and projects A precision made part for strength and durability This suspension provides a smoother ride and better overall damping management Fits many other bikes with similar dimensions and poundag