Rocky Mountain Goods Flat Free Wheelbarrow Wheel 16” is the perfect replacement wheelbarrow wheel that doesn’t go flat. Made of heavy duty polyurethane this can hold loads up to 500 pounds. The welded metal rim and 5/8” axe simply slides onto your standard wheelbarrows and can be installed in minutes. This flat free wheelbarrow tire is perfect for work on rough, rocky or uneven terrain. Rocky Mountain Goods Flat Free Wheelbarrow Wheel 16” comes with a lifetime warranty.