Kraus Front Radial Caliper Mounts Experience the benefits of advanced braking technology with these radial-mounted brake caliper adapters. This mounting option also provides the flexibility to use larger 320mm brake rotors for enhanced braking performance. Features: Will allow fitment of commonly found 108mm style calipers Ambidextrous / Run them on the left or right side Accommodates stock rotor size or oversize rotors as large as 320mm Sold as pair or single 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.