For RSD, rotor design is more than just mimicking the look of our wheels; it is both science and art. We design each rotor from the ground up and analyze every detail's function along the way. Our two-piece design allows the rotor to expand and contract when heated from the friction caused by the brake pad. The aerated portholes on the stainless steel outer band vent heat and dust away from the disc.

Features:

• High grade 420 stainless steel replaceable outer bands and Billet aluminum CNC-machined inner carriers
• Cross drilled bands for increased ventilationBlanchard ground bands ensure precise and even tolerance
• Front rotors are drilled for standard HD bolt pattern 3-1/4" X 5" X 5/16" and Rear rotors are drilled for standard HD bolt pattern 3-1/4" X 5" X 3/8"
• All rotor carriers are counter bored with 2.22" I.D
• A reducer spacer is sold separately for 1.985" I.D.
• Wide rear wheels require use of rotors with 2.50" I.D.
• RSD rotors will fit 1984-1999 HD applications only if used in conjunction with Performance Machine calipers and RSD wheels.
• RSD rotors will not work with stock HD wheels