• I just checked and it looks like it is French sizing. The bottom bracket and headset are smooth with plenty of life, but I understand if the French thing is not for everyone. (For more on the differences see the Sheldon Brown site.) On the other hand, the difficult bits are in place, and it's free! By the way, the almost obliterated letters on the downtube say 'Chardonnet' but I haven't managed to find out much about that.

About