• That makes sense for a knobbly tyre, not so much for a slick.

    Even that WTB Venture it doesn’t look like the tread is really any wider than the casing.

  • Even that WTB Venture it doesn’t look like the tread is really any wider than the casing.

    It is on mine.

    I could see it working for a skinny tyre if the tread is narrower than the sidewall section width. But in any case, it's a confusing way to designate a tyre size.

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