EBC Organic Brake Pads FA244 The EBC Kevlar series has now been renamed NAO series or Non Asbestos Organic, although the famous DuPont Kevlar fiber is still used in conjunction with other high-tech fibers that have come on the market. Typical organic feel which many riders prefer Ideal for general use with low rotor damage characteristics Environmentally friendly, free of asbestos, lead and other toxic materials For polished, chromed or standard rotors