| 主权项 |
1. A pneumatic tire comprising
a tread portion provided with
a circumferentially and continuously extending central main groove on a tire equator or on each side of the tire equator,a pair of circumferentially and continuously extending shoulder main grooves axially outside the central main groove, anda pair of middle land portions each of which is arranged between the central main groove and the shoulder main groove on each side of the tire equator, the middle land portion provided with a plurality of inner middle lateral grooves and a plurality of outer middle lateral grooves, each inner middle lateral groove comprising a first inclined portion that extends axially outwardly from the central main groove at an angle of from 10 to 40 degrees with respect to a circumferential direction of the tire, and a second inclined portion that is inclined at an opposite direction to the first inclined portion so as to extend axially inwardly without reaching the central main groove, and a bent portion connecting the first inclined portion and the second inclined portion, each outer middle lateral groove comprising an axially inner end communicated with the inner middle lateral groove, and an axially outer end communicated with the shoulder main groove, the axially inner end of the outer middle lateral groove communicated with the second inclined portion of the axially inner middle lateral groove without including an axially outermost groove edge of the inner middle lateral groove, and the axially outer middle lateral groove inclined in the same direction of the first inclined portion of the inner middle lateral groove at an angle of from 30 to 70 degrees with respect to the circumferential direction of the tire. |
