TIRE

DRIVE December 19, 2012
Source
A pneumatic tire 1 according to the present invention comprises at least a land portion formed by a circumferential groove 3,5 extending in a tire circumferential direction. The land portion includes a land portion 11 having a groove side wall 17 forming the circumferential groove 3 and a land portion 15 having a groove side wall 19A forming the circumferential groove 3. The groove side wall 17 and the groove side wall 19A meander in the tire circumferential direction in a tread surface view. A groove width of the circumferential groove 3 in a tread width direction changes in predetermined cycles in the tire circumferential direction. The land portion 15 includes a wide land portion 21A in which a width of the land portion in the tread width direction is a predetermined width, and a narrow land portion 21B in which the width of the land portion in the tread width direction is narrower than the predetermined width. A surface of the wide land portion 21A is provided with a recess portion 23 recessed inward in a tire radial direction from a surface of the land portion 15.

Discussion in the ATmosphere

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