Change the angle of the arc of downtube / stem shifter lever to make it an alternative thumb shifter?

Question

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.

The problem is that the lever is not easy to reach because it swings from parallel with the handlebar to straight forward.  I would like to have the angle of the full swing of the lever go from a little towards me to a little forward.

Is there an easy way to change the angle of these stem-mount shift levers (which are almost the same as downtube shift levers) by about 45 deg?

Note (in second pic) that these are meant for stem mount, so there is a cable housing stop for the part of the shift cable housing that goes from the handlebar to a downtube stop.

andrew.bober · Answer

Although I haven't done it with this specific shifter, some similar designs with a fixed cable stop can indeed be adjusted this way. See for example this instructional video for Gevenalle shifters.

Rfraile · Answer

Note that there are different levers, depends of the final position. For downtube, head tube or steam, see the ilustration in the bottom of the page:

Some of them have the cable stop vertically, equal as the tube hanger, and other at 90 degrees of it.

Change the angle of the arc of downtube / stem shifter lever to make it an alternative thumb shifter?

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