Originally Posted by cheg
I have thought about making it a functional derailer but I can't figure out how to route the cable. Normally it would go under the bottom bracket through a guide. I could do that but it would be tough to fold and unfold without messing up the cable tension.
i think i once saw someone that put the shifter on the seat post... perhaps it wasn't a twenty, but whatever the folder, it solved the cable-messing-with-the-fold problem. it'd be like a suicide shift on an old harley or something.