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Rotor Material: Racing Formula Alloyed Gray Iron & Heat treated
Machining: Straight Slot
Surface: EDP Coating w/cross cut grinding on friction surface
NOTE: Retaining and jack screw holes have been removed to prevent the screws from rusting and causing difficult removal of 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.
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Weight Comparison |
| One-piece |
18.6 lbs. |
| Two-piece |
12.8 lbs. |
|
Weight Savings: 5.7 lbs. |
Material:
- Alloyed iron formula adds strength and heat resistance. Heat
treating further improves rotor performance for a more uniform and
stabilized microstructure.
Design:
-
 The
cooling vanes are of a convergent nozzle design, which increases airflow and
turbulence and makes discs cooler. (Illustration #1)
-
 The center-mount flanges for hat mounting to the rotor ring have several
benefits. (Illustration #2)
- It allows the ring to be used on either side of the vehicle simply by mounting
the hat on either side of the ring (unidirectional).
- The stress load transferred from the ring to the hat is balanced.
- Air inlets are widely open to both
inboard and outboard sides of the rotor. More air suctions and even
temperature on both sides of the disc surface.
- Heat transfer from the disc surfaces to the hat is even and minimized by
increasing the flange length and the airflow around the flanges.
- Mounting flanges are on both friction surfaces ultimately provides
excellent
heat balance.
- Exclusive full floating design with 10.9 grade alloyed hardware.
Hardware is DACRO coated and crimp locking. DACRO is highly corrosion
resistant and provides a film for easier movement between the hat and rotor ring
as disc expands and contracts and
the crimp design provides positive engagement without rattling or torque loss
at temperature.
Related Links:
Two-Piece Feature Comparison Chart |
