PU foam tyre 1.Modle:2.50-4 2.Rim:steel/plastic 3.Bearing:16,20,15,19 4.Lightweight wheel Product Details Quick Details ... 30 days SpecificationsPU foam tyre 1.Modle:2.50-4 2.Rim:steel/plastic 3.Bearing:16,20,15,194.Lightweight wheel PU ... .Size : PU foam tyre(6x2,2.50-4,3.00-4,3.50-6,3.50-4,3.50-5,4.00-6,13"x3.25-8,13 ... "x3.00-8,13"x5.00-6,4.80/4 ...