Originally Posted by
bikemig
I don't think anyone is obsessing over the date of the bikes. Rather I was just curious ..."
Same here. Just curious.
For instance, if that Cinelli stem does have a patent date on its underside,
it's quite a rare find if it is French sizing. And a pre '73 add on, likely.
But , no matter.
Serial numbers won't help with the dating as there is no Moto date data base as such.