Originally Posted by
fietsbob
I Use some pretty basic thumb shifters . Nitto northroad/albatross bar..
the cable run smooth curves, friction. micro-ratchet, 6 and 7 speed..
no real, issues.. There are bar end shifters on the drop bar bikes.
Only my IG hub bikes 'index', the derailleur bikes are all in a friction mode..
Interesting information but of absolutely no use to the OP.