13X6.50-6 (nhs) FLAT FREE TIRE AND WHEEL: Tire and rim assembly with 13 inches tire diameter, 6.50 inches section width, and 6 inches rim size. The wheel bearings is 3/4 inches with a 5.5 inches centered hub. COMPATIBLE WITH MOST RIDING LAWN MOWERS: Compatible with most Cub cadet, Toro Zero Turn Mower Tires and the others wheeled lawn, garden equipment, yard tractors, lawnmower, farm equipmen. These are NHS tires not rated for use at highway speeds. FLAT-FREE SOLID RUBBER TIRES: Solid-core rubber tires with a maximum dynamic load capacity of 440 pounds. Can withstand multiple punctures without affecting riding comfort and safety.