Kraus Axial Caliper Mounts For 320mm Rotors One of the best upgrades for your performance bike is to increase its stopping power. Experience the benefits of improved braking performance with these adapters that accommodate larger front rotors. Features: Includes mounting hardware Accommodates oversize 320mm rotors Made in the USA Kraus Motor Company's sleek, inventive custom bikes have always attracted attention. These designs are equally at home winning World Championship bike races or smashing land speed records. Kraus Motor Company has changed its concentration to the development and manufacture of cutting-edge performance suspension, braking, and ergonomic systems for Harley and Indian motorcycles. Every item they manufacture is clearly designed with utility and performance in mind.