A tire has: a tire skeleton member configured using a resin material and provided with a bead part, a side part extending from the bead part to the outer side in the radial direction of the tire, anda crown part extending from the side part to the inner side in the width direction of the tire; and a tread configured using a rubber material and positioned on the outer side of the tire skeleton member in the radial direction of the tire, a plurality of circumferential grooves extending in the tire circumference direction being formed in the tread surface and the groove widths of the circumferential grooves, where the groove width along the tire width direction is widest, is within the range of 5-15% relative to the ground width of the tread surface.