Polyurethane foam tire 1.non flat 2.longer service life 3.high load ... kg11,Load Capacity = 100 kgsApplication and advantages:1. polyurethane tires Widely used on wheelbarrow, Lawnmower ,hand truck, and trolley2. ... resistance and higher flow rate3. polyurethane tires with the benefit of never going flat 4.Many types and varieties, it' ... 15'',16'',18'',20'',24'',26'' pu foam tires 10x3.50-4 for hand truck