PNEUMATIC TIRE

摘要

PURPOSE:To provide a pneumatic tire which has excellent drainage efficiency on a wet road surface during straight running and cornering. CONSTITUTION:A plurality of peripherally extending main grooves 1 are formed in a tire tread and a plurality of auxiliary grooves 2 extending in one-way of a peripheral direction and arranged in a V-shape. The number of apexes of the V-shape on the right side and that on the left side are arranged at the auxiliary grooves 2 on both sides in a manner to be the same as each other based on a tire equatorial line 3. A quasimain groove 4 through which the auxiliary grooves 2 are intercoupled is formed at an inclination angle theta of 5-25 deg. with the tire equatorial line 3.