Originally Posted by
TenGrainBread
If you want something even cheaper, this Sunrace friction thumbie works quite well and has a ratcheting action. $9 for a pair. Just put one on a vintage MTB/city bike build.
SunRace friction thumbies - Amazon
Here's the bike with the shifter:
This. Thumbies are bulletproof. Trigger shifters are notoriously finnicky and fragile.
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