I have recently bought a new bicycle and the left Shimano Revo shifter (3 speed) is not shifting, what can I do?
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'm in the process of installing my Shimano Tiagra left shifter for the front derailleur on my double crank and I'm a bit confused, the indicator shows it has 5 positions for a crank with only 2 ...