A heavy truck tire that has a central axis , a radial direction , and an axial direction , comprising: a tread ; a casing that carries the tread , wherein the casing has a bead that has: a bead core that has a rod and padding gum ; a reinforcement ply that wraps around a section of the bead core , wherein the reinforcement ply has a return casing ply a portion of which is outboard in the axial direction from the bead core ; a bead filler that has a portion radially outward from the bead core in the radial direction and axially inboard from the return casing ply in the axial direction ; a stiffener layer that has a portion located outboard from the return casing ply in the axial direction ; a first bead layer that has a portion that is between the return casing ply and the stiffener layer in the axial direction ; a second bead layer that has a portion that is outboard from the stiffener layer ; characterized in that the stiffness of the first bead layer is 8 MPa to 14 MPa when calculated as the Young's modulus MA10 using French standard NF T 46-002, September 1988; the stiffness of the second bead layer is 8 MPa to 14 MPa when calculated as the Young's modulus MA10 using French standard NF T 46-002, September 1988; wherein the stiffness of the bead filler is less than the stiffness of the first bead layer , and wherein the stiffness of the bead filler is less than the stiffness of the second bead layer . a tread ; a casing that carries the tread , wherein the casing has a bead that has: a bead core that has a rod and padding gum ; a reinforcement ply that wraps around a section of the bead core , wherein the reinforcement ply has a return casing ply a portion of which is outboard in the axial direction from the bead core ; a bead filler that has a portion radially outward from the bead core in the radial direction and axially inboard from the return casing ply in the axial direction ; a stiffener layer that has a portion located outboard from the return casing ply in the axial direction ; a first bead layer that has a portion that is between the return casing ply and the stiffener layer in the axial direction ; a second bead layer that has a portion that is outboard from the stiffener layer ; characterized in that the stiffness of the first bead layer is 8 MPa to 14 MPa when calculated as the Young's modulus MA10 using French standard NF T 46-002, September 1988; the stiffness of the second bead layer is 8 MPa to 14 MPa when calculated as the Young's modulus MA10 using French standard NF T 46-002, September 1988; wherein the stiffness of the bead filler is less than the stiffness of the first bead layer , and wherein the stiffness of the bead filler is less than the stiffness of the second bead layer . a bead core that has a rod and padding gum ; a reinforcement ply that wraps around a section of the bead core , wherein the reinforcement ply has a return casing ply a portion of which is outboard in the axial direction from the bead core ; a bead filler that has a portion radially outward from the bead core in the radial direction and axially inboard from the return casing ply in the axial direction ; a stiffener layer that has a portion located outboard from the return casing ply in the axial direction ; a first bead layer that has a portion that is between the return casing ply and the stiffener layer in the axial direction ; a second bead layer that has a portion that is outboard from the stiffener layer ; characterized in that the stiffness of the first bead layer is 8 MPa to 14 MPa when calculated as the Young's modulus MA10 using French standard NF T 46-002, September 1988; the stiffness of the second bead layer is 8 MPa to 14 MPa when calculated as the Young's modulus MA10 using French standard NF T 46-002, September 1988; wherein the stiffness of the bead filler is less than the stiffness of the first bead layer , and wherein the stiffness of the bead filler is less than the stiffness of the second bead layer . <EOS>