... . light weight but high load capacity PU foam wheels 8x2.50-4" Flat free polyurethane foamed tiresDetailed technical information:1,Tire ... with precision bearings3,Outside Diameter = 200 mm4,PU Weight =0.50 kg5,Width = 63mm6,Total weight = 0.85 kg7,Load Capacity ... '',15'',16'',18'',20'',24'',26'' pu foam wheels 8x2.50-4 for handtruck