... anti-fatigue 4.OEM service Motorcycle chain Main products:Standard Chain Model:415,420,428,520,525, ... ,520H,525H,530H Main Application 420 roller chain is used as drive chain in 70, 80, 90cc motorcycles ... such as CY80, YX70, YX90, YX48Q, JL70 etc. 428, 428H roller ... , JS150, 110-L, ATV702 etc. 520, 530 roller chains are used as drive chains in over 125cc motorcycles ...