This listing is for new Power King Premium Trailer ST175/80D13 C/6PLY Tires. Manufacturer part number: STB13. The Power King Premium Trailer is an economical bias-ply tire for most towed trailer applications. It is a dedicated ST tire, with a grooved circumferential rib tread pattern most common on trailers designed for hauling on paved roads. Also, the bias-ply casing has the advantage of a thicker sidewall vs radial tires. This makes the Power King Premium Trailer extra robust and resistant to road hazards and pot holes that could lead to flats.
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