Hang on, I've solved the 1×/double swap issue - use a DT shifter. No cable routing issues, you can trim the position, light weight. Only potential difficulty is getting the cable out of the BB guide. Seems a few pros did it back in the day:
Square taper too annoying for frequent crank swaps so the FSA would be out
Edit: surprised at the lack of insults flying my way for suggesting such a stupid groupset. I expected more.
Hang on, I've solved the 1×/double swap issue - use a DT shifter. No cable routing issues, you can trim the position, light weight. Only potential difficulty is getting the cable out of the BB guide. Seems a few pros did it back in the day:
Square taper too annoying for frequent crank swaps so the FSA would be out
Edit: surprised at the lack of insults flying my way for suggesting such a stupid groupset. I expected more.