Pneumatic tire with tread having thin groove and sacrifice land portion having protruding portion

摘要

A pneumatic tire comprising, on a tread face of the tire, a shoulder land portion extending in a circumferential direction of the tire, and a thin groove extending in the circumferential direction of the tire adjacent to a contact end of the shoulder land portion where comes into contact with the ground and segmenting the shoulder land portion into a main land portion located at the inner side thereof as viewed in the width direction of the tire and a sacrifice land portion located at the outer side thereof as viewed in the width direction of the tire, wherein the thin groove includes an enlarged portion extending in the circumferential direction of the tire in which a groove width thereof at groove bottom is enlarged toward the sacrifice land portion side only, and a protruding portion that protrudes toward the groove bottom side along the inner wall located at the sacrifice land portion side and extends in the circumferential direction of the tire.