A tyre comprising: a tread portion having a designated rotation direction, the tread portion comprising at least one block row comprising a plurality of blocks arranged in a tyre circumferential direction and a plurality of lateral grooves arranged between the plurality of blocks, each of the plurality of blocks comprising a block tread surface, a first block sidewall surface located on a leading side in the rotation direction of the block, and a leading-side corner portion between the block tread surface and the first block sidewall surface, wherein the leading-side corner portion comprises a first portion and a second portion each extending in a tyre axial direction, the first portion is smaller in angle (γ) than the second portion, where the angle (γ) is an angle between a normal (n) of the block tread surface and a virtual straight-line (m) in which the block sidewall surface connected to the block tread surface is expanded outwardly in a tyre radial direction, and the tyre further comprising a belt layer disposed in the tread portion, wherein the belt layer comprises an inner belt ply having a plurality of belt cords oriented in a first direction with respect to the tyre axial direction, and an outer belt ply disposed outwardly in a tyre radial direction of the inner belt ply and having a plurality of belt cords oriented in a second direction opposite the first direction with respect to the tyre axial direction, and the belt layer is located in an inner region of each first portion in the tyre radial direction, characterized in that in a plan view of each block, an angle (θ1) of the first portion with respect to the tyre circumferential direction is larger than an angle (θ2) of the second portion with respect to the tyre circumferential direction, and each lateral groove has a groove width at the first portion that is larger than a groove width at the second portion. a tread portion having a designated rotation direction, the tread portion comprising at least one block row comprising a plurality of blocks arranged in a tyre circumferential direction and a plurality of lateral grooves arranged between the plurality of blocks, each of the plurality of blocks comprising a block tread surface, a first block sidewall surface located on a leading side in the rotation direction of the block, and a leading-side corner portion between the block tread surface and the first block sidewall surface, the leading-side corner portion comprises a first portion and a second portion each extending in a tyre axial direction, the first portion is smaller in angle (γ) than the second portion, where the angle (γ) is an angle between a normal (n) of the block tread surface and a virtual straight-line (m) in which the block sidewall surface connected to the block tread surface is expanded outwardly in a tyre radial direction, and the tyre further comprising a belt layer disposed in the tread portion, wherein the belt layer comprises an inner belt ply having a plurality of belt cords oriented in a first direction with respect to the tyre axial direction, and an outer belt ply disposed outwardly in a tyre radial direction of the inner belt ply and having a plurality of belt cords oriented in a second direction opposite the first direction with respect to the tyre axial direction, and the belt layer is located in an inner region of each first portion in the tyre radial direction, characterized in that in a plan view of each block, an angle (θ1) of the first portion with respect to the tyre circumferential direction is larger than an angle (θ2) of the second portion with respect to the tyre circumferential direction, and each lateral groove has a groove width at the first portion that is larger than a groove width at the second portion.