Description:Material: Solid Steel+Aluminium Alloy. Total Length: 430mm (17 inch). Eye To Eye Center Length: 400mm (15.75 inch). Spring thickness: 7 mm (0.28 inch) Max loading:200kg/pair 450lb/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.