Patent ID: 8544513

Claim:
A pneumatic tire having a tread pattern including a plurality of main grooves extending along a tire circumferential direction, and a shoulder land portion constructed by a rib or a block row formed in an outer side in a tire width direction of the main groove positioned in an outermost side, wherein a circumferential sipe is provided in each of the shoulder land portions in both sides in the tire width direction, and the number of the circumferential sipes provided in the shoulder land portion in a vehicle inner side is larger than the number of the circumferential sipes provided in the shoulder land portion in a vehicle outer side, wherein the shoulder land portion in the vehicle inner side is constructed by a block row, and at least one of the circumferential sipes provided in the shoulder land portion in the vehicle inner side extends while shifting its position in the tire width direction in the center portion in the tire circumferential direction of the block, and wherein the circumferential sipe provided in the shoulder land portion in the vehicle inner side has one inclined portion in the center portion, and is structured such as to shift positions in the tire width direction of both end portions which are approximately in parallel to the tire circumferential direction from each other.