What do tyre wall markings Mean?

When buying new tyres it is important to select the right size, load rating and speed rating. You’ll see some numbers and letters on the side of every tyre – here’s what they mean…

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  1. Width of the tyre in millimeters
  2. Profile Height of the tyre sidewall as a percentage of the width
  3. Wheel size The diameter of the tyre’s inner rim in inches
  4. Speed rating code to indicate the maximum speed for the tyre at full load