... ) plate thickness:1.5mm 4) colors: natural,blue,black,yellow Motorcycle chains 4201)material : 40mn2)color : nature,black,blue,yellow3)advanced ... and OEM7)packing :1pc/pp bag,white or color inner box ,then pack in standard export carton or wooden case,also ... .5mm pitches),B series (9.525-50.8mm pitches)2)motorcycle chains :415,415H,420,420H,428,428H,520,520H,6303 ...