Galfer Wave Brake Rotor, Rear - Fits: Suzuki GSXR1000 2001-2009 Designed both for trail and track. Keeps brake system cooler by allowing air to pass over every point of a brake pad surface. Best friction surface of any stainless steel rotor. Seamlessly replaces stock rotor. Extremely predictable and consistent. Provides outstanding performance even in the most aggressive conditions. Made of Galfers unique High Carbon 420 SS / 8 composite. Laser cut (not stamped like most others). Double disc - parallel grinding to ensure perfect parallel flatness. Heat-treated to each specific application (to ensure warp resistance).