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where is this better info?
As you allude to, Silca says 5 bar is about right for a 30mm tyre if you're 16st and riding an unladen solo (110kg all up). That is also exactly what I said.
My point was not that nobody should use that combination of pressure and width but rather that, in contradistinction to user126284's absolutism, while it is the wrong combination for some riders who nonetheless use it, it is also the right combination for some others.
Given that Silca and I independently came to very similar results, I have no reason to believe that use of their calculator is anything other than the wiser counsel I exhorted 😉
gbj_tester
Don’t be shy, where is this better info?
Better than Josh Poertner and the Silca database?