Change the angle of the arc of downtube / stem shifter lever to make it an alternative thumb shifter?
I want to mount the following SunRace clamp-on shifter set horizontally as a "thumb" shifter on a straight MTB handlebar (22.2mm). I will remove the left lever and only use the right with the clamp. ...
I've looked online, but haven't found one. Is there any sort of "matrix" available that puts shift lever boss type on one axis and shift lever on the other, and remarks on each pair's compatibility? ...