Non-Asbestos Organic Compound using the famous DuPont aramid fiber in conjunction with other high tech fibers. The aramid fiber compound with non-ferrous particles helps to prevent surface scorching under load. Superb all round value-for-money replacement for all levels of motorcycle and are still extremely popular with many riders who prefer the feel of organic pads. Most EBC organic pads have expansion grooves which reduce noise and prevent cracking. With a GG rated friction rating, they are inherently softer, easier on rotors and have a brake "feel" preferred by many riders.