Fixed-mount oversize brake rotor. Wave pattern keeps brake system cooler by allowing air to pass over every point of the brake pad surface. High-carbon stainless steel construction. Laser-cut (never stamped) and double-disc parallel ground to ensure perfect parallel flatness. Outstanding brake performance, even in the most aggressive conditions. Anti-corrosion treatment on all non-contact surfaces. Measures 203 mm x 2 mm thick, six-bolt universal mounting pattern. Weighs approximately 140 grams. Front or rear application. May require brake caliper adapter bracket (sold separately).