3 ptsA,A1,A2Official number: 6503
What may be the minimum tread depth of a motorcycle's tyre if it is not equipped with wear indicators?

Explanation
Correct answer: 1.6 mm.
According to the regulations concerning the technical condition of vehicles, the minimum tread depth of a motorcycle tyre not equipped with a wear indicator must be at least 1.6 mm. Maintaining adequate tread depth is essential for effective water dispersal and maintaining grip, which directly affects driving safety.