Originally Posted by
Aznman
3 questions
1. Which brands make the best mechanical brifters that are able to interconnect with each other?
2. How do these mechanical brifters work anyways? Are these types of brifters easier to malfunction?
Honestly I'm having difficulty understating what you're asking. There are no mechanical drivetrains that allow for a single derailleur to be controlled by multiple shifters, and I can't think of any way it could be done. If this is what you need, then you need an electronic drivetrain.