<ul><li>Polyurethane</li><li>11.5 mm bore size</li><li>300 pound weight capacity</li><li>300 pound weight capacity</li></ul> Product Description Red polyurethane tire is molded onto a tough hard rubber hub. Integral roller bearings in the hub make installation on an axle shaft quick and easy. Rounded profile of the tire delivers minimal rolling resistance, and the polyurethane material will not mar or scuff floor surfaces. From the Manufacturer Red polyurethane tire is molded onto a tough hard rubber hub. Integral roller bearings in the hub make installation on an axle shaft quick and easy. Rounded profile of the tire delivers minimal rolling resistance, and the polyurethane material will not mar or scuff floor surfaces.

Steelex D2653 Polyurethane Wheel, Red, 5-Inch