Tires with high strengh reinforcement

A pneumatic tire (10) comprising a carcass (12,14), two sidewalls (22,24) spaced apart a distance, two beads (16,18), a tread (15) disposed radially outward of a crown of the carcass, and a belt structure (26) radially interposed between the tread and the carcass is disclosed. The belt structure comprises Ultra Tensile Steel reinforcing cords, the cords having filaments with diameters ranging from 0.08 mm to 0.60 mm.