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dangeek

What about the manufacturers stated width.
If two tyres are 2.0 wide but one is a knobbly MTB tyre. Is the casing 2.0 and the knobs are extra?

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gbj_tester in reply to @dangeek

Is the casing 2.0 and the knobs are extra?

In general, the number on the side is the nominal casing width. Even same brand tyres won't necessarily be the same size in real life, and if it's different brands all bets are off. The actual size in service depends on the rim width too.

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