... information:1,Tire Material = Solid Polyurethane2,Rim Type = plastic rim with roller bearings3,Rim Diameter = 100 mm4,Outside Diameter = 260 mm5 ... . abrasion resistance, corrosion resistance and higher flow rate3. polyurethane tires with the benefit of never going flat 4.Many types and ... : 6'',8'',8.7",10'',12'',13'',14'',15'',16'',18'',20'',24'',26'' pu foam tires 10x3.50-4 for hand truck