There is a lot of cleverness out there in list-land. Now, of course, the only bike in my fleet that suffers internal brake cables is the '65 Sears Ted Williams Sport Special. So, for it I grabbed a coat hanger and cut it open and straightened that thing right out. Then I sort of bent the last inch a bit, and plunged it right firmly in one end and sure 'nuff pretty easy to fish it around (if you've fished wire through walls, this is EASY, particularly if you put a gentle curve into the wire so the end wants to stay near the side of the tube where you want it). So it brings itself right out, and I slide the housing onto it as far as it is comfortable. sometimes comes right on out the other hole in the frame. Sometimes gets a bit stuck, so by pushing on the housing and easing the coat hanger back out it works itself to where it wants to be. Viola! (works on handlebars too, when they've been drilled for barends or whatever).
But I haven't had to do this bottom bracket thing. Sounds hard. :-)
harvey sachs mcLean va
For my Hujsak Aero, I had to run new cable housings, and used two = different methods. The first was for the brake housings, and I just bent a hook onto the = end of
an old spoke to catch the end of the housing and guide it through the = hole. It takes a little work, but isn't too hard.
For the shift cables, which run through 1/8 plastic tube, I had to use a vacuum=20 cleaner and some fine thread, which I vacuumed through the frame, Then I pulled=20 a strong fishing line bach through with the thread, and finally fed the tubing over the fishing line. It worked, and got the tubing through the = internal holes=20 so it could pass through the bottom bracket area. It took a long time, = and wasn't=20 at all easy. Every vent hole had to be taped over to get enough vacuum = to draw the thread through. But it was necessary. It would work for the = brake housing you need to run, if the spoke thing dosen't work for you