... -fatigue 4.OEM service Motorcycle chain Main products:Standard Chain Model:415,420,428,520 ... 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 chains are used as drive ... , LF250, JL125, YX250, ATV703 etc. Chain technic treatment Package details1pc packing in PP bag ...