| 摘要 |
PROBLEM TO BE SOLVED: To provide a tire-rim assembly for facilitating air filling work with a tube body in position, retaining running performance, inhibiting the increase of a weight and preventing burst due to rimming. SOLUTION: In an assembly S of a bicycle tire and a rim, in which a tire 1 having a cushioning material 5 included in a rim 6 is mounted. the cushioning material 5 consists of an elastic ring body 5a on a rim side and a tube body 5b on a tire side and a tube positioning groove G is provided in the outer periphery of the elastic ring body 5a.
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