... motorcycle chains 428 1) material:40MN 2) pitch:12.7mm 3) plate thickness:1.6mm 4) colors: natural,blue,black,yellow Motorcycle ... roller chains: A series(12.7-63.5mm pitches),B series (9.525-50.8mm pitches)2)motorcycle ... chains :415,415H,420,420H,428,428H,520,520H,6303)short pitch conveyor roller chain ... agricultural chains:C212A series,ZGS38 combine chain series,3558T, rice harvester chains ...