Joined: May 2010
Posts: 591
Likes: 1
From: Bucharest, Romania, Europe
Bikes: 1989 Krapf (with Dura-ace) road bike, 1973 Sputnik (made by XB3) road bike , 1961 Peugeot fixed gear, 2010 Trek 4400
No can do! (friction in brifter) because the lever has to return after shift not to stay in that position.
The only thing I can picture is a thumb shifter (friction) on the upper part of the hoods of the brifter. That could work.