Description:Material: Solid Steel+Aluminium Alloy, Total Length: 390mm (15.35inch), Eye To Eye Center Length: 360mm (14.17inch) . Spring thickness: 7 mm(0.28 inch). Max loading:250kg/pair 550lb/pair. The shock absorber is a modified universal type, compatible with most 50cc, 75cc, 90cc, 125cc, 150cc, 250cc, 300cc street cars, off-road vehicles, karts, ATVs, motorcycles and quad bikes.Universal fit for most vehicles, like CBR600RR CBR1000RR CB500 YZF-R1 YZF-R6 YZF-125 XC EXC XCF R800GS R1200GS, etc.