Galfer's Black Semi-Metallic Carbon compound is made to hold up in all sorts of weather, from wet to dry, and abrupt temperature changes.Applications: Sport bike, Sport Touring, Racing, Motor cross, ATV, and Snowmobiles.The Galfer Semi-metallic compound was originally designed for sport bike riding and touring. Although many riders over the years successfully raced the semi-metallic compound in motocross, the compound became very popular with ATV’s and snow mobiles. Taking all of this under consideration, Galfer formulated an extremely versatile compound to suit the customer’s needs. The semi-metallic fibers make this a very rotor friendly compound, but yet maintain long lasting life.