I have a 1999 Sportsman 500 with ITP 589s 26X9X12 frt. & 26X12X12 rear, mounted on stock wheels. I had to add 1 inch wheel spacers to the front to allow strut / frame clearance. The frt. tires still contact the plastic fender in hard woops. However, the tires rock in the mud. I added an EBC big tire clutch kit to help with the belt slip.
Hope this helps!
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