| 摘要 |
<p>An all-purpose adapter for cycle wheel rims (1) adapted to provide an easier and perfect fitting of the tyres comprises one or more layers (2,3) arranged on the rims having such a cross-section as to provide, together with the rims, an asymmetrical recess for the tyre, defined by side ridges delimiting with the rims (1) the tyre bead seats (7). <IMAGE></p> |
