Rear suspension shock absorber, suitable for Pit Dirt Bikes A quality 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 poundage. 1000-1200lbs Measurement(approximately) : Eye center to center: 240mm/250mm260mm/270mm/290mm Mounting hole diameter: 10mm Package includes 1 x shocks