Streamline brake pads are tested and proven in motorcycle racing and even GNC champions Doug Gust and Kory Ellis are using them. The Xtreme Duty brake pads are extreme HH Sintered ceramic pads designed and constructed to withstand aggressive motorcycle and ATV riding and racing. For maximum performance, the Streamline brake pads offer exceptional stopping power and immediate response, and offer exceptional durability and ultra-long life due to the heavy-duty nature of these pads. Streamline brake pads are recommended for mud, sand, and wet conditions. Sintered Xtreme Duty compound. Instant and powerful braking force. Extra-long life without major rotor wear. Good for wet and dry conditions. Designed for aggressive MX and ATV riding and racing. Surface ground for faster bed-in time. Note: Includes two brake pads, enough for one caliper.