| 摘要 |
<p>The invention concerns a rim (5) made from composite material for a tubeless bicycle wheel (1) comprising a radially outer portion (38) shaped for the coupling with a tyre (10), said radially outer portion comprising a through hole (30) for an inflation valve (15). Advantageously, at least one first impermeable-to-air layer (55) is integrally associated with said radially outer portion (38), around said hole (30).</p> |
