TIRE

In a tire according to the present invention, a groove portion extending in a tire circumferential direction is formed in a tread portion 20. A groove portion 30 extending in a tire circumferential direction is formed in the tread portion 20. In a groove bottom 32 of the groove portion 30, a plurality of protrusion portions 100 are provided. The protrusion portions 100 extend from one sidewall 31 forming the groove portion toward the other sidewall 33 facing the one sidewall. When the length of the protrusion portions 100 along the groove center line WL is L and a predetermined interval is P, in a tread surface view of the tire, the relation of 0.75L¦P¦10L is satisfied.