I was not aware of that, thank you. They did have support vehicles providing them with an endless supply of water (I hope)?From the late Sixties up to the mid Seventies even Tours de France were won without bottle cage bosses
Just had a look - yes, 65. Didn't realise that was a thing in the past!
Does that mean I need a spacer to run a "modern" sealed bearing BB? If one can use the word "modern" when talking about a square taper.