Originally Posted by
JohnDThompson
It was intended to hold the fuel bottle for your camp stove. There are additional mounts on the down tube and seat tube for water bottles.
That almost does it for me! I have always wondered why it was located there! N+1 fever is rising just for that little detail!
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JohnDThompson - Thanks for your contribution to the understanding these vintage Treks! I greatly appreciate you sharing your experience and knowledge, and so candidly! Now if you could just help me find an original fork for my 1984 60cm 760!