Originally Posted by
Tonyweiss
T-Mar,
Here is a little more info. I'll try and get some pictures up soon.
Chain ring is 40/52
Chain ring and cranks are made by Sugino 170mm and says forged In Japan J11
On the back of front derailleur it reads "Maeda industries LTD, 4532 Japan WE"
Thanks.
Sorry for the delay in replying. The front derailleur code is from May 1980, while the crankset code is November 1980. Consequently, it should be a 1981 model, which fits the previously suggested scenario.