Lyndall Brakes Xtreme Series Brake Pads The Xtreme Series brakes by Lyndall usher in a new era of stopping power, boasting a 30 enhancement over traditional sintered pads. Crafted using superior aramid friction materials, they secure an HH friction rating and maintain a steady .6 coefficient under various temperatures and conditions. For those who prioritize top-tier braking force without settling, Xtreme Series presents an uncompromising, forceful performance. Features: Deliver predictable and repeatable performance in the most-demanding riding environments Utilize the latest technology in high-performance aramid fiber 30 more stopping power and lighter than sintered pads The first organic pads to achieve an H/H friction level High-torque stopping power These brake pads will give you a 0.6 coefficient from ambient to first fade and a 0.6 coefficient from first recovery to second fade