Zimmermann Disc Brake Rotor - 100333052: Zimmermann Disc Brake Rotor is a precision-machined brake rotor that is designed for maximum performance and durability. It features a high-grade cast iron construction that is resistant to corrosion and corrosion-causing elements. The rotor is designed to dissipate heat quickly, helping to maintain optimal braking performance. It also features a unique design that helps to reduce noise levels.