| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire of which rim's combination is highly compatible with durable rim's slipping off matching to higher efficiency and output. SOLUTION: On pneumatic tire which has a tread area formed as a ring, a pair of side wall area installed from both sides of the tread area toward inside of a radius of the tire, and a bead area streaching out inside of a radius of the tire in the side wall area, hardness of a tow rubber has unsymmetrical structure in inside and outside in the bead area when installed on a vehicle, besides outside of the tow rubber is harder than that of inside.
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