To enhance electric wave permeability from a tire inner cavity while restraining deterioration in steering stability and improving riding comfort.

Bead reinforcing cord layers 10 having an upright part 10a extending radially inward and outward along a carcass 6 are provided to a pair of bead parts 4. Each bead reinforcing cord layer 10 includes a bead reinforcing ply 10A, on which bead reinforcing cords are arranged at an angle of 10-70 in a tire circumferential direction. In an outer bead reinforcing cord layer 10o which is outside a vehicle when mounted to the vehicle, a steel cord is used for the bead reinforcing cord. In an inner bead reinforcing cord layer 10i which is inside the vehicle, an organic fiber cord is used for the bead reinforcing cord.