... but high load capacity Solid polyurethane tire with steel rim 13"x3.25-8"Detailed technical information:1,Tire Material = Solid Polyurethane2 ... ,Outside Diameter = 330 mm5,Hole dia = 16 mm6,Width = 3.25"7,PU weight = 1.2 kgs8,Load Capacity = 120 kgs ... be your supplier.Size for sale: 6'',8'',8.7",10'',12'',13'',14'',15'',16'',18'',20'',24'',26'' Flat free ...