Marathon 4.00-6" Pneumatic (Air Filled) Tire on Wheel, 3" Hub, 5/8" Bearings Go to amazon.com Related posts Top 8 best wheelbarrow tire for 2022 Top 10 recommendation wheelbarrow tires 2022 Feature4.00-6" wheelbarrow tire. 13" tire diameter.Pneumatic (air filled) tire. Ribbed tread.3" centered hub. 5/8" ball bearings.Perfect for residential wheelbarrows.300 lb load capacity. Not for highway use. DescriptionMarathon Industries 20081P 4.00-6-Inch Pneumatic (Air Filled) Whee-poundarrow Tire with Ribbed Tread - 3-Inch Centered Hub - 5/8-Inch Ball Bearings - 13-Inch Tire Diameter