Professional manufacturing,stable characteristics,high reliability High precision parts designed to improve vehicle performance and efficiency. The motorcycle shock-absorbing spring is made of high Metal. The surface is smooth and comfortable,high strength,strong tensile strength,high temperature resistance,not easy to damage,corrosion resistance and ensure maximum durability. Mount and dismantle quickly,no drilling or welding is requires. Color:M99-19-1 M99-14-1 Color:BlackGold 310mm(12.2″)total length 280mm(11″)eye to eye Eye Diameter:12mm Eye thickness :21mm Spring thickness:7mm Spring Width(approx):60mm(2.4″) M99-27-1 Color:BlackGold 370mm(14 5/6″)total length 340mm(13 3/8″)eye to eye Eye Diameter:10mm or 12mm Eye thickness :21mm Spring thickness:8mm Spring Width(approx):60mm(2.4″) M99-19-1 Color:BlackGolden 350mm(13 3/4″)total length 320mm(12 5/8″)eye to eye Eye Diameter:12mm Eye thickness :21mm Spring thickness:7mm Spring Width(approx):60mm(2.4″) Package included:2pcs Shock Absorber