| 摘要 |
A tire including a microcapsule containing pigment is provided to inform the need of replacement when the tread is worn over the wear limit, thus preventing accidents. A tire includes a microcapsule containing pigment on the top surface of a tire under-tread, where the ratio of the microcapsule to the crude rubber contained in the tire under-tread rubber is 0.1~10:100 parts by weight. The pigment of the microcapsule includes thermochromic pigment exhibiting specific color according to the temperature and photochromic pigment absorbing light and exhibiting specific color by the light.
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