| 摘要 |
PROBLEM TO BE SOLVED: To realize a pneumatic tire for a motorcycle making durability at a high speed straight advancing time and grip at a high speed turning time compatible, more particularly realize the pneumatic tire capable of exerting proper durability and steering stability according to inputs when the inputs are different at each of straight advancing time and right and left cornering time. SOLUTION: In this tire, a tread part 3 is made of a plurality of different rubber 11 to 13 adjacent in a tire width direction, and is divided into a center rubber region A in a center part including at least a tire equator part and both side parts rubber regions B1 and B2 in both side parts of the tire. JIS hardness of the rubber 11 composing the center rubber region A is higher than that of all the rubber 12 and 13 composing the both side parts rubber regions B1 and B2, and the JIS hardness of the rubber composing both the side parts rubber regions B1 and B2 are different in both the side parts of the tire. COPYRIGHT: (C)2008,JPO&INPIT
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