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How do I know which tyre size I need?

Tyre size is printed on the sidewall of your current tyre and usually follows ETRTO or ISO standards.

  • ETRTO: e.g. 37-622
  • Traditional: e.g. 700x35c
  • Inches: e.g. 26x2.10

The ETRTO size is the most reliable reference for matching tyres and rims.