Originally Posted by
MMACH 5
Look at the code letters on the derailers.
This page will tell you what those letters mean:
http://www.vintage-trek.com/component_dates.htm
It won't tell you when your bike was made but knowing when the components were manufactured will give you a good idea.
Thats great! I just looked, 1085 was the number. That helped a lot. Not bad for $35 bucks. Thanks everyone.