I got new cable housing today as my previous setup was all mismatched colors.
When the rear brake is engaged everything is fine, but when I let go, the part of the cable on the top tube (where there is no housing) looks very slack. If I were to slightly touch it with my leg, it becomes very slack and sort of just hangs there. If I engage the rear brake, it tightens up again.
There's also a really annoying clinging noise everytime I go over a bump from the cable hitting the frame.
I've tried all kinds of adjustments and can't get it right. Do I need a new brake cable?