Originally Posted by
bikemig
Nah this will take a 32c and maybe a little wider. It came stock with 27 x 1 and 1/4 tires. I have a 70s era Motobecane Grand Record (the next model up from this) and it takes 27 x 1 and 1/4 with lots of room to spare. It can take a 35c and maybe wider were I to install 700c wheels on it.
And I have Campy calipers from the 10 speed era. His frame could clear 50mm, doesn't matter, those calipers will fit 30mm.