| 6.1.1. |
For Class C1 tyres, the rolling sound emission value shall not exceed the values pertinent to the applicable stage given below. These values refer to the nominal section width as DEL defined in UN Regulation No. 30: |
a6c0 |
| 6.1.1. | For Class C1 tyres, the rolling sound emission value shall not exceed the values pertinent to the applicable stage given below. These values refer to the nominal section width as given in paragraph 2.17.1.1. of Regulation No. 30: | a0c0 |