Originally Posted by
PatTheSlat
Does that shifter say "1-3-5"? Possibly an old 5 speed internal gear hub? I had no idea Shimano even made those back in the Positron days. (Which, by the way, "positron" dates it to late 70s or early 80s).
You're right : 1-3-5! I didn't notice, I saw 3 different digit so I tought 3 speeds without looking closely!