| 摘要 |
<p>A pneumatic tire (1) comprising a radial carcass (3), a belt (4) and a tread portion (5) is provided at its side end region (TS) outside of a ground contact area (TM) of the tread portion with a plurality of fine grooves (13), each being a groove in which each of opposed groove walls (13a) extends slantly in substantially a direction opposite to the rotating direction (L) of the tire toward a groove bottom of the fine groove, which considerably improves straight running stability while controlling wandering phenomenon during running on inclined road surfaces. <MATH></p> |
