Practice question

A learner's tyre is worn to the wear bars across the main grooves. What should the instructor conclude?

  1. The tyre is at or below the 1.6 mm legal minimum and must not be used for a lesson
  2. Wear bars are decorative and can be ignored
  3. The tyre is still legal until the canvas shows
  4. Only winter tyres have a tread-depth rule

Answer: A — The tyre is at or below the 1.6 mm legal minimum and must not be used for a lesson

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