PNEUMATIC TIRE AND TIRE MOLD

A tire includes a pair of bead portions to be fitted to a rim R. Each bead portion includes a bead having a core and an apex . An outer surface of the bead portion includes a seat face and a flange face disposed radially inward and axially outward, respectively, of the bead , a heel face disposed between the seat face and the flange face , and a plurality of vent lines projecting from the heel face and extending in the circumferential direction. A contour of the heel face is represented by an arc on a cross-section, of the tire , taken along a plane including a rotation axis of the tire , and a radius Rh of the arc is not less than 8 mm and not greater than 15 mm.