Scope of Application:This shock absorber is replacement for vehicles with 340mm/13.39in mounting hole distance,such as motorcycles, off-road vehicles, ATVs, go-karts, etc, have good shock absorption performance, it can cope with various road, greatly improve riding comfort. Functions:This rear suspension damper product improves the original motorcycles shock absorption performance, all kinds of road can be ridden, it has powerful shock absorption performance. It can also be used for modification or maintenance, and is very suitable for replacing the original damaged old motorcycle. Reasonable Design:Our springs damper suspension is professionally manufactured and reasonably designed. It retains the adjustable knob. You can adjust the spring pressure by yourself. The maximum load-bearing capacity is 2000kgf, which can bring you a very comfortable riding experience. High Material:This 340mm shock absorber is made of high hardness aluminum alloy and electroplated stainless ste