1.43.7. A deterioration sign
In the basis of a profile of the firm complete set of tyres across to a rotation direction there are "deterioration indicators" in height 1,6 mm - look drawing. Depending on a product these indicators of deterioration of 6-8 times are located through
Identical intervals on a tyre circle. Marks on боковинах tyre covers (for example, letters "TWI" or triangular symbols) designate an arrangement of indicators of deterioration.
At a residual profile of 1 mm-measured in any place of a protector - supposed minimum depth of a profile will be reached.
As the worn out tyres at the big speeds of movement on wet road more do not provide demanded coupling with a surface проезжей a part and more likely lead to car "emersion". It is recommended not to subject the tyre to such big deterioration.