Patent ID: 8006729

Claim:
A pneumatic tire for a driving wheel comprising: a plurality of land portions, formed of blocks and a rib, and defined in a tread part of the pneumatic tire; and a plurality of fine grooves with a depth of 0.1 mm to 0.8 mm, a width of 0.1 mm to 0.8 mm and a pitch of 0.5 mm to 2.0 mm, the fine grooves formed in the tread surface of at least one of the land portions to be inclined at an angle of 42° to 60° relative to the circumferential direction of the tire, wherein the inclined directions of the fine grooves relative to the circumferential direction of the tire are reverse to each other on the left and right sides of the equator of the tire, and the fine grooves are formed in only the land portions defined in a center region that extends from the equator of the tire by ±40% of the tread contact width on each of the left and right side of the equator.