The AX-Lightness Perseus Carbon Road Brake Caliper Set is an ultralight and high-performance set of caliper brakes designed specifically for road bikes. Made from carbon fiber, these black calipers are lightweight and durable, perfect for serious cyclists looking for top-notch braking power. The set includes front and rear calipers, making it easy to upgrade your bike's braking system with this premium AX-Lightness product. One big chip but otherwise great