Got dirty disc brakes Developed and tested using world class riders as test pilots - Our unique formula has added conditioners that re-hydrate the disc brake pad to dramatically reduce brake squeal prolong the disc pad life and restore braking performance. Muc-Off Disc Brake Cleaner rapidly air dries without leaving any residue. It is safe on rubber plastic anodized metals carbon fibre and painted surfaces. - Box Quantity Discount Available. Order 12+ and get a 5% discount.