CNC machined aluminum alloy, sturdy and durable, and adopts for N.O.K oil seals. The eye of shock has tensile strength more than 2000kgf, which is reliable to use. Good spring performance and shock absorption effect, it can cope with all kinds of rugged roads. Fit for vehicles with 340mm/13.39in mounting hole distance, such as motorcycles, offroad vehicles, ATVs, gokarts, etc. The inflation pressure of the gas charging nozzle is less than 0.5Mpa nitrogen. 20mm spring preload adjustment range, 10mm set level adjustment range. Feature: 1. CNC machined aluminum alloy, sturdy and durable, and adopts for N.O.K oil seals. 2. The eye of shock has tensile strength more than 2000kgf, which is reliable to use. 3. Good spring performance and shock absorption effect, it can cope with all kinds of rugged roads. 4. Fit for vehicles with 340mm/13.39in mounting hole distance, such as motorcycles, offroad vehicles, ATVs, gokarts, etc. 5. The inflation pressure of the gas chargi