Marathon 16x1.75" Flat Free Cart Tire on Plastic Rim, 3/4" Bearings 16x1.75" Tire. 15.85" tire diameter; 1.77" in width. Black, Ribbed Tread - Non-Marking Flat Free Solid Polyurethane Tire 3" Centered Hub 3/4" Ball Bearings 250-pound load capacity Not for highway use