This was with Pro One 23s, which in my experience tend to be pretty true to size, until Contis which tend to be a bit larger. There's too many variables for anecdata to be terribly reliable though.
The old pro one 23mm would be 26 or 27mm wide on a hed rim. They were enormous tyres.
@thecycleclcinic started
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This was with Pro One 23s, which in my experience tend to be pretty true to size, until Contis which tend to be a bit larger. There's too many variables for anecdata to be terribly reliable though.