This rectangular pad set, enough for one brake, works with all of the Juicy brakes and the BB7. We haven’t tried, but we doubt these work with any other manufacturers brakes. Since you’re already running these pads if you’ve read this far, the way you tell that your current set of pads are done when the wear indicator on the pad is gone—and you can see straight through from the outside of the backing plate to the disc rotor.