PNEUMATIC TIRE AND PNEUMATIC TIRE SET

摘要

A pneumatic tire wherein a plurality of righthand oblique groove groups each group of which has a plurality of righthand oblique grooves as extending obliquely to a reverse tire turning direction from a tread center portion to a righthand shoulder end and a plurality of lefthand oblique groove groups each group of which has a plurality of lefthand oblique grooves extending obliquely to the reverse tire turning direction from the tread center portion to a lefthand shoulder end are disposed alternately in a tire circumferential direction on a tread surface which has a tire turning direction designated in one direction in such a manner that one main rib is defined in a zigzag shape in the tire circumferential direction by starting end portions of the righthand oblique groove groups and by starting end portions of the lefthand oblique groove groups and lefthand and righthand sub ribs are branched from the main rib along the righthand oblique groove groups and the lefthand oblique groove groups, respectively. <IMAGE>