| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire including a tread rubber of high silica content capable of setting the maneuvering stability in the high-speed running such as sports running any as desired by the driver according to his driving skill etc. SOLUTION: The tread of the vulcanized pneumatic tire is formed from a rubber compound having a high silica content, and at least in the shoulder region of the tread 1, any appropriate number of pin-shaped rubber pieces 2 made of vulcanized rubber compound having a high carbon black content and having a modulus at 100°C and 100-% elongation of 3-100 MPa are made capable of being driven selectively in the tire circumferential direction so as to penetrate from the tread surface to the bottom. COPYRIGHT: (C)2005,JPO&NCIPI
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