IROK bias-ply competition compound tires are the result of hard work and innovation of Interco Tire Corporation. IROK bias competition has a directional tread and 3-stage lug design that allows the vehicle to climb rocks and conquer rugged terrain. This stylish tire features a cut-resistant compound, extra-tough cord, and special sidewall that looks aggressive on the road. Order and get big discounts. Shipping is free.