The Electron Sport/Pro System ZL1 rotor assembly upgrades the rear brakes to a professional race quality 365mm with 48 directional vanes rotor system. • All Pro-System rotors are machined in Mooresville, North Carolina from specially formulated grey cast iron. This provides the best in thermal stability, friction coefficient and heat transfer characteristics • Pro-System rotors are supplied pre-bedded ready to race to eliminate costly and time-consuming bedding on track.
