Originally Posted by
Walter
Another vote for the "Not Worth It" category.
Updating to a modern drivetrain for that bike will require some frame modification and an entire new drivetrain. Big $ and while old Peugeots are good bikes and have some retro coolness to them they ain't worth that sort of $, IMHO.
That's what I think too.
What you have now is a cheap old mediocre bike. The fact that it has survived for this long, however, gives it a measure of cachet.
What you are proposing is converting it into a expensive old mediocre bike that doesn't have any cachet.