Hayes D-Series Rotor DMZ The perfect fit is complemented

The perfect fit is complemented with a redesigned X1 outsole

The redesigned Shimano Ultegra Di2 ST-R8170 12 Speed Shifter and Flat Mount Caliper has all-new ergonomics

Light & compact - Extremely lightweight and packable materials minimise any bulk when stowed away in a jersey pocket or saddle bag

aero efficiency rapidly tapers off and the additional weight quickly begins to neutralize the marginal aero gains that the deeper rim provides

Hayes D-Series Rotor DMZ The perfect fit is complementedDeveloped to work specifically with our Dominion platform, the D Series rotor offers superior braking performance without any annoying howls or vibrations. Features MRC (Modal Resonance Cancelation) cancels out noise and vibration via FEA optimized modal shapes cut into the rotor1. 95 mm material thickness enhances heat dissipationQuickBite provides the shortest path to high performance through fast and consistent burnishing Mfr Claimed Weight TBC