Patent ID: 9340072
Filing Date: 2016-05-17
CPC Classification: B60C

Claim Text:
1. A motorcycle tire comprising: a tread portion provided with first T-grooves and second T-grooves arranged and oriented alternately along the tire equator, the first and second T-grooves each composed of wherein when measured along a tread surface of the tread portion, an axial distance L the circumferential distance from said inside end of the main portion to the circumferentially adjacent T-groove is in a range of not less than 5% and not more than 15% of a circumferential pitch length of the first T-grooves, each of the first T-grooves and the second T-grooves having only one groove junction, wherein said groove junction is a T-shaped junction between the main portion and the branch portion, the main portion is smoothly curved along its entire length without an inflection point, and the branch portion is smoothly curved along its entire length without an inflection point, the tread portion provided on each side of the tire equator with alternate major areas and minor areas defined between the main portions and the branch portions of the first T-grooves and the second T-grooves, wherein each of the minor areas is provided with no groove, and each of the major areas is provided with a sub groove extending independently within the major area, while inclining to the same direction as the circumferentially adjacent main portion and branch portion.