Shepherd Hardware 9606 4.80/4.00-8-Inch Pneumatic Wheelbarrow Tire, 16-Inch, Ribbed Tread, 6-Inch Centered Hub, 5/8-Inch Axle Diameter, Ball Bearing 9-inch diameter steel rim with 6-inch centered hub, ball bearings and 5/8-inch bore 3-1/4-inch wide X 16-inch diameter tubed pneumatic tire with ribbed tread 300-lb load capacity This tire is commonly used on contractor-grade wheelbarrows, garden trailers, roofing equipment, spreaders, and more These pneumatic wheelbarrow tires feature heavy duty ball bearings, and can handle rough terrain to help with the toughest outdoor projects