Undeniable Braking Peformance - If you're looking for a brake pad that will offer the best in stopping power, without any unpleasant sounds, then you'll want to check out R1 Concepts Ceramic Series Brake Pads. Made of ceramic materials that are pressure-adhered within the brake-pad compound, these pads are designed for quieter and smoother operation. That means no more squealing or grinding when you come to a stop.