A pneumatic radial ply tire (500) comprises a tread (510), a belt
structure (512), and a carcass (514). The carcass (514) has
a radial ply (518) and two bead sections (530A, 530B). Each
bead section (530A, 530B) has a bead (532) and a component
apex (534) with a inner apex (534A), a middle apex (534B)
and an outer apex (534C).