Rim Size/Wheel Diameter: 15"
Rim Width/Wheel Width: 6"
Bolt Pattern/Bolt Circle: 6 lug on 5.5" (6/139.7mm)
Center Bore: 4.25"
Offset: Zero
Backspacing: 3.5"
Max Load: 2540 Lbs
Wheel Finish: Machined/Clear Coat
15" Aluminum Mod S20 Trailer Wheel. The exact size is 15" x 6" 6 lug on 5.5" bolt pattern. Center hole diameter is 4.25 inches. Max load is 2540 Lbs per wheel. This listing is for the wheel only. Most common tire sizes mounted on this wheel are 205/75R15, 205/75D15 (F78-15), 225/75D15 (H78-15) and 225/75R15. If ordering center caps for this wheel you would need the 4.25" Diameter.