The RoadX DT990 is a traction tire built to perform in heavy duty conditions such as mining, logging and construction transportation. The DT990 features a multi-groove design for exceptional off-road traction and an improved rubber compound to resist cutting and chipping. Ribs on open shoulders provide superior stability and resistance to uneven wear. The 31/32nd inch deep floor of the DT990 gives you long life and exceptional cost per mile.