What do tyre sizes mean?

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Apr 8, 2001 | 04:38 PM

Steve vRS

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From: Dull White BMW

195x50x15

I know the 195 is the width, 15 is the wheel diameter but what does the 50 signify?

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Steve

Apr 8, 2001 | 05:03 PM

Doc

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50 is the aspect ratio.
i.e. the sidewall of the tyre is 50% of the tread width.

Apr 9, 2001 | 08:35 AM

Steve vRS

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From: Dull White BMW

Thank you

Steve

Apr 9, 2001 | 08:44 AM

HunterB

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Everything you want to know about tyres here:

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