Marathon, 13x5.00-6 Flat Free Garden Cart Tire & Wheel Assembly, Turf Tread, 2.25" Offset Hub, 5/8" Ball Bearings, Commonly Used For 4 Wheel Dumping Garden Carts, Hand Trucks, & Other Lawn & Garden Equipment, Includes Spacers To Convert 2.25" Offset Hub To 4.75" Hub Length & 3/4" Bearings To Accommodate Larger Axle Size.