Originally Posted by
70sSanO
For a flat bar on-road bicycle. I’ve wondered if a Retrofriction, or a Shimano spring assisted light action on a Paul’s thumbie, or equivalent, mount might be really slick.
The new Dia-Compe version of the old Suntour Power Shifter is available as a thumb shifter, not as silky smooth as the Simplex but was anything else that good?