Originally Posted by
redlude97
Bleeding the (disc) brakes often is due to their choice of using DOT brake fluid, it absorbs water just like your brake fluid in a car. So it ends up needing to be changed more often than a mineral oil based system like shimanos. If you are using etap or red22 rim, the brakes are still cable so no bleeding
How often do they need to be bled (flushed)?
I have one car that I flush the brake fluid every four years.
I generally keep a daily driver for twelve years and never bleed or flush the fluid. (even though I know I should at least once)