| 摘要 |
<p>A tyre for a vehicle has a carcass (10) with an upper surface. A tread portion (12) is also provided and which has a tread pattern (14) having a number of tread ribs (24) and tread grooves (22), each tread groove (22) having a bottom. The lower surface (18) of tread portion (12) has a plurality of slots (20) generally aligned with the tread ribs (24) and extending upwardly beyond the bottom of the tread grooves (22), each slot (20) having therein an indicator strip (26) of a colour contrasting to that of the tread portion (12).</p> |
