Fitment:These shock bush have a hole with a diameter of 10mm and 12mm, these are designed to provide a snug fit for most brands of motorcycle.Please check the size carefully and ensure this part fits your motorcycle before you place the order.Specification:Material:RubberColor:BlackPlacement on Vehicle:RearQuantity:2 Pcs,4 Pcs,6 Pcs,8 Pcs,10 PcsFeatures:Made of high quality material, durable.Resist the shock of the rear shock absorber.Direct replacement of old or broken.5Pcs 10mm Motorcycle Rear Shock Bush + 5Pcs 12mm Motorcycle Rear Shock Bush