Motorcycle chain sprocket set Titan Material, A3 steel, 45# steel,Iron Model:415, ... 420,428,428H,520 Heat treatment motorcycle chain and sprocket set Titan Drawing Packing Detail Motorcycle Sprocket detail ItemMotorcycle sprocket Model428 ... America, Southeast Asia,Africa ,Middle East, North America, EuropePaymentT/T L/CDeliverywithin25 days, subject to your order quantitySupply ability600000 pieces ...