Marathon, 4.80/4.00-8, Contractor Grade Tire, Knobby Tread, Flat Free, With Wheel Assembly, 3" Centered Hub, 5/8" Ball Bearings, 500 LB Load Capacity, Includes Spacers To Convert 3" Centered Hub To 6" Centered Or Offset & 4.5" Offset Hub Lengths, Not For Highway Use.