Replacement brakes might be necessary if you move your bindings to a ski with a different width. You also just might lose your Vipec brakes since they are easily removable which comes in handy. See below for some various brake options.
Vipec Brakes – Also known as Diamir Tech Brakes, these are replacement brakes for the Fritschi Vipec binding. They are available in several widths, down to 82mm wide for skinny skis.