The Contender Wheelbarrow tire is designed to be a universal fit for most wheelbarrows and other small lawn equipment, offering the performance of a pneumatic tire without the risk of going flat. It features a 3" centered hub with pre-installed bearings for a 5/8" axle, and an adapter kit is included to fit hub lengths up to 6" and axle sizes up to 3/4". The adapter kit comes complete with four 1/2" spacers, two 1" spacers, and two 3/4" ball bearings, ensuring a versatile and secure fit for various equipment.