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How do I find my tyre size? How to read your tyre size explained

How to read your tire size

One the sidewall of every tyre is a sequence of 3 numbers as explained below.

Example: 235 45 R17

  • 235 is the width of the tyre in millimetres.
  • 45 is the aspect ratio or tyre profile.
  • R means it is radial construction.
  • 17 is the diameter of the wheel rim in inches.
  • Video Transcription:

    To find your tyre size, it’s actually pretty straight forward. There’s three numbers you’re going to be looking for.

    The first one is the width. In this case, it’s 235 millimetres. The second one is the profile, which is the percentage of the width. In this case, it’s a 45. The final one you’re looking for is the diameter. In this case, it’s 17 inch.

    We’ve got tyres for everything here. Hit us up for tyres.

    Feel free to give us a call on 09 486 5317 or check out

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