Hayes D-Series Rotor### Hayes Says ### Developed to work specifically with our Dominion platform, the D Series rotor offers superior braking performance without any annoying howls or vibrations. MRC (Modal Resonance Cancelation) cancels out noise and vibration via FEA optimized modal shapes cut into the rotor 1. 95mm material thickness enhances heat dissipation QuickBite provides the shortest path to high performance through a fast and consistent burnish