+1 look at the link I posted below at #25 . The obsolete French size is 25.0, not 25.4 and certainly not 26.0 which is what you need for Noodles.

Picture yourself riding in traffic and suddenly having your handlebars disappear. That is a real possibility of you fool around with what is one of the more critical interfaces on the bicycle. Stems are very cheap compared to medical bills and massive dental reconstruction.