Hi-Run WB1002 4.10/3.50-4 flat free wheelbarrow tire wheel assembly features a durable stud tread pattern for superior traction on rough terrain while the solid design eliminates air loss for worry-free use. With 3.5" tire width, 10" overall diameter, and 198 lb max load capacity, this pre-assembled unit includes a universal bearing kit (with 5/8" installed bearing, 1/4" and 1/2" spacers, plus 3/4" bearings) for multiple axle fits. Perfect for everyday yard work, hauling, or garden tasks on home wheelbarrows without constant inflation or flats.