| 摘要 |
PROBLEM TO BE SOLVED: To prevent aggravation of cavernous resonance inside of a tire caused by weight saving. SOLUTION: In a rim 16 of a wheel 10, the auxiliary resonant tubes 32 are provided in the concave grooves 30 formed in the inside face 14A of a disc 14. Both the end parts 32A and 32B of the auxiliary resonant tubes 32 are respectively connected to the inner cavity 42 of the tire 40 in diametrically opposite positions of 180 degrees, and two auxiliary resonant tubes 32 are installed bisymmetrically.
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