The 489 XD tire has a robust bias construction for demanding applications. The V-shaped lug design maintains a smooth ride while providing good clean- out characteristics. The Dura Trail tire is a radial 8-ply option that offers increased performance and durability over OEM tires, the company says. Its advanced radial carcass design delivers a comfortable, trail-compliant ride. The extended-life rubber compound and overlapping tread pattern provide a smooth, predictable ride.