1.Cetification: 3C,DOT, ECE 2.Ply rating:6 3.Rim:5.50F 4.Maxload:650/720kg QINGDAO YUNTONG INDUSTRY CO.,LTDis specialised in rubber wheel,PU wheel,motorcycle tire,truck tire,agricultural tire,industrial tire and wheel barrow.Looking forward to your information. Bias agricultural tires 7.50-16