Originally Posted by 3alarmer

.The problem with drilling the rear brake bridge is that, unless you have a right angle drill, there isn't enough room for the drill between the brake bridge and the seat tube. So you have to go in from the rear, and this means you enlarge that side of the bridge as well. Which is kind of a bodge. Because on that side, all you have filling the hole is the brake bolt itself, not the recessed nut on the exterior. So it will move, unless you make a modification, like using one of those curved alloy brake spacers on that side..