主权项 |
1. A pneumatic tire comprising a belt layer arranged between a carcass and a tread portion,
wherein the belt layer comprises a first main working belt, a second main working belt arranged at an outer side of the first main working belt in a tire-radial direction, the second main working belt having a cord angle different from a cord angle of the first main working belt in a direction with respect to a tire-circumferential direction, and a reinforcement belt, an absolute value of a cord angle of the reinforcement belt is not smaller than 6 degrees and not larger than 9 degrees, a tread pattern including a main groove is formed on a tread surface of the tread portion, and the cord angle of the reinforcement belt and a representative main groove angle have different directions with respect to the tire-circumferential direction, the representative main groove angle being defined as an angle formed by an element of the main groove with the longest length in the tire-circumferential direction and the tire-circumferential direction. |