主权项 |
1. A rim includes two annular walls 12 each including an edge 14, an internal face 16, and at least one rib 18 extending on the internal face 16 near the edge 14, wherein the rib 18 of each of the annular walls 12 of the rim bites an external face of a corresponding annular wall 26 of a tubeless tire 20 when the tubeless tire 20 is mounted on the rim. |