Note: The rotor hats are made with dual lug hole circle (100mm for 2004) and (114.3mm for 2005+)Rotor Material: Racing Formula Alloyed Gray Iron & Heat treatedMachining: Straight Slot">Surface: EDP Coating w/cross cut grinding on friction surface
NOTE: Retaining and jack screw holes might have been eliminated to prevent the screws from stripping and breaking, causing tremendous effort to remove and replace the rotors. Our two-piece rotor hats are made of aluminum which is easier for installation and removal. See detail view here.
Click here to learn how RB two-piece rotors are built differently than the competition.
Replacement ComponentsRotor Ring:
Two-Piece Feature Comparison Chart