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The Pioneer AT1 from Tri-Ace is an all-terrain tire that's designed for use on Jeeps, light trucks, and SUVs. Featuring an aggressive tread pattern that increases grip and traction on- and off-road, the Pioneer AT1's angled tread blocks and open shoulders force water, slush, mud, dirt, rocks, and other unwanted materials out of the tire for consistent traction and to protect the casing from damage.