Martin Wheel 113 12 by 1.75-Inch Light Duty Steel Wheel for Lawn Mower, 1/2-Inch Ball Bearing, 2-1/4-Inch Centered Hub, Rib Tread Complete tire AND wheel assembly; Hub Length: 2-1/4 inch Centered | Bore: 1/2-inch ball bearing; Rib style tire tread; 90lbs capacity Non-highway use only Great replacement for general purpose use