These MaxPower Polyurethane Wheels are excellent replacements for worn stock parts. They're designed to fit 95 percent of all wheelbarrows. These flat-proof wheelbarrow tires are solid so you never have to inflate them. You can also put them on two-wheel wheelbarrows, carts, lawn mower trailers and other utility vehicles. The kit comes with bushings and universal spacers to help you size it to your specific equipment. Installation is fast and easy so you can get back to work with minimal downtime. MaxPower Flat-Proof Universal Wheelbarrow Wheel: Solid, puncture-proof tire Made of polyurethane Universal wheelbarrow wheel fits 95 % of all wheelbarrows Also fits 2-wheel wheelbarrows, lawn mower trailers, garden carts and more Includes universal spacers and bushing kit