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+--- Thread: Tyre size calculator (/showthread.php?tid=57)
Tyre size calculator - steviewevie - 09-05-2017
If you're putting different wheels/tyres onto your car, then you need to make sure that the overall tyre circumference is very close to what it was originally, otherwise you might find problems such as your speedo reading incorrectly.
Here is a calculator that works out what tyre size you need, using various methods :
Tyre calculator