Originally Posted by
bbattle
use the same ferrule you would use for derailleur cables. There are different sizes, so head to the LBS with your brake lever and try them till you get one that fits. I believe the current "standard" size works, though. I don't recall having any trouble with my Pyramid brakes on my Sprite.

This is a picture of the ferrule from loose screws that you should be looking for. The above really won't work too
well.