Originally Posted by
spacemanz
Gotta be Suntour Power shifters. Although, I haven't seen too many in the stem-mount flavor, that is what I use.

For quality and functionality, this. They're all over eBay for cheap. I have some on a shelf here.
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1987 Nishiki Prestige (now 650B!)
1981 Trek 710
198? Nishiki Olympic 12 mixte (now 650B!)
2020 Surly Troll fat-tire build