Patent ID: 10279631

Abstract:
A pneumatic tire 1 is provided in the tread portion 2 with a pair of center main grooves 3 arranged on both sides of the tire equator C, and a pair of shoulder main grooves 4 arranged on both sides thereof, and is provided on both sides of the equator C with middle land portions 6 defined between the center main grooves 3 and the shoulder main grooves 4. The middle land portions 6 are provided with a plurality of middle oblique grooves 10. Each middle oblique groove 10 extends toward the tire equator C from the outer end 10o in the tire axial direction communicating with the shoulder main groove 4, and the inner end 10i terminates without reaching to the center main groove 3. In an outer end 10o side of the middle oblique groove 10, an outer shallow bottom portion 12 having a depth less than the maximum depth of the middle tilted groove 10 is provided.