Originally Posted by
dddd
Wherever possible, I secure a short section of plastic "noodle" tubing where the cable wire might contact a metal cable guide near the bottom bracket. Secured in place with silicone glue or epoxy, it always makes the shifting better even if the guide was previously well-greased.
Great tip. I think I originally learned this on BF and now do it on every build. My “noodle” of choice is a roll of inner cable liner that will likely last me five lifetimes.