Patent ID: 7806156

Claim:
A tread pattern of a high-performance tire, the tire having a tire surface, comprising: (a) a plurality of circumferential main grooves, at least one circumferential main groove extending from a lower level up to the tire surface, the at least one circumferential main groove including: (i) a lower channel structure including straight and opposing first and second lower sides, wherein the first and second lower sides each terminate at first edges located at a point between the lower level of the at least one circumferential main groove and the tire surface, and (ii) an upper portion including inclined first and second upper sides that extend from the respective first edges up to the tire surface and terminate in second edges, wherein a width between the second edges is larger than a width between the first edges, wherein the first upper side forms a first angle with respect to a virtual vertical line, the first angle varying about the circumference of the tire in a range from about 15° to about 60°, wherein the first upper side forms a first three-dimensional wave shaped surface, wherein the second upper side forms a second angle with respect to the virtual vertical line, the second angle varying about the circumference of the tire in a range from about 15° to about 60°, wherein the second upper side forms a second three-dimensional wave shaped surface, a ratio of a height of each of the first and second upper sides and a height of the first and second lower sides is about 8:2, and wherein SW<AW≦1.2SW where SW is the width between the first edges, and AW is a greatest width of one of the first and second upper sides; (b) transversal grooves formed between adjacent ones of the circumferential main grooves; and (c) blocks formed between adjacent ones of the transversal grooves.