Patent ID: 8464770
Filing Date: 2013-06-18
Classification: B60C

Abstract:
1. A pneumatic motorcycle tire, including a pair of bead portions each having a bead core embedded therein, a pair of sidewall portions extending from the bead portions toward the outer side in the tire radial direction, and a tread portion extending over the respective sidewall portions, characterized in that: the tread portion is divided in the tire widthwise direction into five regions comprising the center tread region including the tire equatorial plane, respective shoulder tread regions each including a tread ground contact end, and respective intermediate tread regions each interposed by the center tread region and the corresponding shoulder tread region; 100% Mod of tread rubber forming the intermediate tread region is in the range of 1.3 to 2.1 MPa and larger than 100% Mod of tread rubber forming the center tread region; and loss tangent of each shoulder tread region is in the range of 0.3 to 0.4 and larger than loss tangent of the center tread region; wherein each intermediate tread region has a higher rigidity than both the center region and each shoulder region.