Martin Wheel PLSP16D175 16 by 1.75-Inch Plastic Spoke Semi-Pneumatic Wheel for Lawn Mower, 1/2-Inch Ball Bearing, 2-3/8-Inch Centered Hub, Diamond Tread Complete tire AND wheel assembly; Hub Length: 2-3/8 inch Centered | Bore: 1/2-inch; Semi-pneumatic tire with Diamond style tread; 100lbs capacity Non-highway use only Great replacement for general purpose use