Sprocket 45# Steel High Frequency Quenching Ni Ti QINGDAO HUAWU RUBBER & PLASTIC CO., LTD. Base Info Model NO.:wy125Type:SprocketMaterial:Alloy SteelCertification:ISO9001:2001, CCC, SONCAP, UL, CENumber of Row:Single RowTrademark:koowayTransport Package:BoxSpecification:wy125Origin:China Description Pre:Colorful ABS Half Face Bicycle Helmet Road Bike Helmet Next:Original Motorcycle Sprocket Ost Kooway