Originally Posted by
MixedRider
Looking at pictures on the trek website, is it really a combination of external and internal routed cables on a touring bike? Is it the brake cable (hydo fluid line) or the shifter cable that is internal?
Downtube internal shift cables. There's an interesting opening just above the BB about 2 cm x 0.5 where the cables come out and go to the deraileurs. Hopefully my son or his friends will help me post photos.