Patent ID: 7490649

Claim:
A heavy duty tire comprising a tread portion, a pair of sidewall portions, a pair of bead portions each with a bead core therein, a carcass ply of steel cords extending between the bead portions, the carcass ply having edges winded around the bead cores from the axially inside to outside of the tire to form a pair of winded portions and a main portion therebetween, wherein the winded portion around each said bead core comprises an axially inwardly extending turnback part above the bead core, and a base part under the bead core, the base part is curved concavely so as to form a space between the base part and the bead core, and an anchor rubber having a complex elastic modulus of from 20 to 80 MPa at a temperature of 70 degrees C. and a frequency of 10 HZ is disposed in said space, wherein said complex elastic modulus of the anchor rubber is more than 25 MPa and less than 70 MPa.