Division 4.2.2.2 Tyre condition

Tyres used for the test shall:

1. (a)

   Not be older than 2 years after the production date;

2. (b)

   Not be specially conditioned or treated (e.g. heated or artificially aged), with the exception of grinding in the original shape of the tread;

3. (c)

   Be run-in on a road for at least 200 km before road load determination;

4. (d)

   Have a constant tread depth before the test between 100 and 80 per cent of the original tread depth at any point over the full tread width of the tyre.

F1After measurement of tread depth, the driving distance shall be limited to 500 km. If 500 km are exceeded, the tread depth shall be measured again.