A pneumatic tyre comprising: a tread portion ; two axially spaced sidewall portions extending inwardly in a tyre radial direction from the tread portion , at least one of the sidewall portions being provided with a side protector that protrudes outwardly in a tyre axial direction, the side protector having an inner end in the tyre radial direction located outwardly in the tyre radial direction of a tyre-maximum-width position (M); two axially spaced bead portions connected to inward in the tyre radial direction of the respective sidewall portions , each bead portion comprising a bead apex rubber , the bead apex rubber having an outer end in the tyre radial direction being located inwardly in the tyre radial direction of the tyre-maximum-width position (M); and at least one carcass ply extending between the bead portions ; wherein the bead portions comprise bead cores , and wherein in each bead portion , the bead apex rubber comprises a main apex that extends outwardly in the tyre radial direction from an outer surface in the tyre radial direction of the bead core , and an outer apex disposed outwardly in the tyre axial direction of the main apex , characterized in that a length (L1) in the tyre radial direction of a tyre inner region from a bead baseline (BL) to the outer end of each bead apex rubber is in a range of from 0.8 to 1.2 times a length (L2) in the tyre radial direction of a tyre outer region from an outermost position of the tread portion in the tyre radial direction to the inner end of the side protector , and the at least one carcass ply , in each bead portion , extends between the main apex and the outer apex . a tread portion ; two axially spaced sidewall portions extending inwardly in a tyre radial direction from the tread portion , at least one of the sidewall portions being provided with a side protector that protrudes outwardly in a tyre axial direction, the side protector having an inner end in the tyre radial direction located outwardly in the tyre radial direction of a tyre-maximum-width position (M); two axially spaced bead portions connected to inward in the tyre radial direction of the respective sidewall portions , each bead portion comprising a bead apex rubber , the bead apex rubber having an outer end in the tyre radial direction being located inwardly in the tyre radial direction of the tyre-maximum-width position (M); and at least one carcass ply extending between the bead portions ; wherein the bead portions comprise bead cores , and wherein in each bead portion , the bead apex rubber comprises a main apex that extends outwardly in the tyre radial direction from an outer surface in the tyre radial direction of the bead core , and an outer apex disposed outwardly in the tyre axial direction of the main apex , characterized in that a length (L1) in the tyre radial direction of a tyre inner region from a bead baseline (BL) to the outer end of each bead apex rubber is in a range of from 0.8 to 1.2 times a length (L2) in the tyre radial direction of a tyre outer region from an outermost position of the tread portion in the tyre radial direction to the inner end of the side protector , and the at least one carcass ply , in each bead portion , extends between the main apex and the outer apex . <EOS>