Abstract: A tire includes a plurality of circumferential grooves extending in a tire circumferential direction, and a plurality of land portions defined by the circumferential grooves. Further, at least one of the circumferential grooves includes tie bars formed in a groove bottom of the circumferential groove and connecting the land portions adjacent to each other across the circumferential groove. Furthermore, each of the tie bars includes a slit that extends through the tie bar in the tire circumferential direction and that is closed when the tire comes into contact with the ground. In addition, the slit includes an inclined portion inclined with respect to the tire circumferential direction in a tread plan view.

Abstract: In a tire, at least one of middle land portions includes a plurality of through narrow grooves extending through the middle land portion in a tire width direction, a plurality of middle blocks each defined and formed by the through narrow grooves, and a non-through lug grooves each opening at one end to an edge portion on a tire equatorial plane side of the middle block and terminating at an other end in a central portion of the middle block. Further, a center groove has a wave-like shape with an amplitude in the tire width direction. Furthermore, an edge portion on the center groove side of the middle block has an arc shape that projects in a width direction of the middle block.

Abstract: In a pneumatic tire, a center land portion includes center lug grooves and center blocks. The center lug grooves penetrate the center land portion. The center blocks are defined by the center lug grooves. A middle land portion includes middle lug grooves, middle blocks, a notch portion, and a middle sipe. The middle lug grooves penetrate the middle land portion. The middle blocks are defined by the middle lug grooves. The notch portion is an edge portion on the center main groove side of each of the middle blocks and formed on an extension line of each of the center lug grooves. The middle sipe extends from the notch portion and opens to an edge portion on the shoulder main groove side of each of the middle blocks.