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I can't get my brake line through the rear triangle on my frame, I can get a draw line in, but the exit hole is too small to pull it and the brake line through. I can get a gear outer through, but the brake line is just a bit thicker and causing problems, I am wondering if the hole is badly moulded internally and if I should run a drill through it to clean it up, but I am hesitant to take a drill to a new 3k frame.
Anyone got any tips or suggestions
Can you get a gear inner through the hole? Pop the brake hose a little way onto it then use the inner to guide it through.
That doesn't work, the exit tolerance is too tight and it catches, it will need a certain amount of force to pull it through, but I can't work out how to generate pulling force, using tape secure it just makes it worse.
I did wonder if the extra flexibility of goodridge hose might help.
Sounds like it's a small hole problem rather than a regular routing problem then.
How thick is the paint? Do you have a small round file?
can you feed it through the other way? ... push it through the exit hole, and then up ?