I wouldn't buy an (older) French bike to begin with. Too difficult to find parts, I think. I did own a couple of Look Carbon frames. The first one shattered in a crash. The second one came apart.
Lemond is not only French Heritage, his race bike are angle like French bikes. Long top tubes, unlike Italians, right.
My Zurich is made around 2000. Do you think it was build by Trek of someone else.