Marathon Industries 20210 Universal Fit Air-Filled Hand Truck/Utility Tire, 2-1/4-Inch Offset Hub Length, 5/8-Inch Bearings, Spacer/Bushing Kit Included
10.5-Inch Tire diameter, 4.10/3.50-4-Inch Universal Fit Air Filled Hand Truck Tire designed to fit most hand trucks and other small equipment. Mounted on a 4-Inch steel rim with a 2.25-Inch off-centered hub and 5/8-Inch ball bearings.  Includes adapter kit with additionals spacers and bushings.