... 3.pre-stretched and anti-fatigue 4.OEM service Motorcycle chain Main products:Standard Chain Model:415,420,428,520,525,530,630Reinforced ... Chain Model:415H,420H,428H,520H,525H,530H Main Application 420 roller chain ... , ATV703 etc. Chain technic treatment Package details1pc packing in PP bag,white inner box, then pack in standard export carton or ...