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RB 2pc Rotor for Mazda Miata MX-5 (2016+) Front
RacingBrake Front OE Two Piece Replacement Rotor for Mazda Miata ND 2016+
This product photo is for reference only.
Fits OE Brembo calipers and OE floating calipers
MSRP (pair): $780.00
Sale Price (pair): $740.00
You save $40.00!

Availability: Usually Ships in 1 to 2 Days
Product Code: 2551

Rotor Kit Includes:
  • 2 ea. front two piece rotors

Weight Comparison
OE 1-PC (280x22)12.3
RB 2-PC (280x22)
Weight Savings: 2.3 lbs

Features and Benefits:

This RB light weight two piece stock replacement rotor is made with 56mm annulus that can fit Brembo caliper and pad (53mm lining depth). Unlike other's two piece rotors that need to modify the hat to fit. See discussion in Miata forum below.

"There is no bracket involved with fitting the standard size superlight rotors. The Brembos just struggle to clear that rotor hat."

These two-piece rotors were engineered to be the best stock replacement two-piece rotor on the performance market. This rotor is direct bolt-on, easy to install, no additional hardware needed, and an excellent upgrade for that delivers consistent brake torque under extreme heat, session after session. When it comes to replacement - operating cost over the time will be lower than one-piece rotor.

RB rotors are made of harder iron than OE rotors. Our rotors are most compatible with semi-metallic brake pads. We do not recommend the use of ceramic brake pads, which may cause vibration.

Rotor Material: Racing Formula Alloyed Gray Iron & Heat treated
Machining: Slotted
Surface: EDP Coating w/cross cut grinding on friction surface

Click here to learn how RB two-piece rotors are built differently than the competition.


  1. Alloyed iron formula adds strength and heat resistance. Heat treating further improves rotor performance for a more uniform and stabilized microstructure.


  1. The cooling vanes are of a convergent nozzle design, which increases airflow and turbulence and makes discs cooler. ( Illustration #1)

  2. 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

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