... Wheel 2 Rim : steel & plastic 3 Size : 16"x4.00-8 4.00-8 rubber wheel : Strengh: 1 High ... 6x2,2.50-4,3.00-4,3.50-6,3.50-4,3.50-5,4.00-6,13"x3.25 ... 00/3.50-8,13"x3.00-8,4.00-8,13"x4.00-6,13"x5.00-6,12"3.50-5,3 ... .50-7,14"x3.50-8,16"x4.00 ... -8,18 ... "x6.50-8,etc)3.Rim: steel & plastic 4.Ply ...