Hey Brad,
I have a Motobecane Super Mirage of the same vintage (picture is in my profile). My biggest complain is the 5 speed in the back. A lot of times one gear is too big and the next is too short, and I believe it is geared for touring, so I'm gonna try to get it replaced with a 7, 8, or 9 speed cassette.
Have fun riding!
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Why isn't 11 pronounced onety one?