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mountune / DBA Lightweight Track Brake Rotor Set - Front and Rear - Focus RS
mountune / DBA Lightweight Track Brake Rotor Set - Front and Rear - Ford Focus RS

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Availability: Back Order
Product Code: 2536-BRK-AA

mountune / DBA Lightweight Track Brake Rotor Set - Front and Rear - Focus RS

2016-2018 Focus RS

  • Each front rotor is 3.7 lbs lighter than stock
  • Compatible with standard calipers and pads or any of our performance options

Material Selection for Rotors

After extensive testing, DBA has derived a version of Grey cast iron with a unique blend of additives including higher levels of carbon (C) that achieve a higher level of durability and better resistance to sharp temperature changes than the typical Grey cast iron. This proprietary DBA mixture offers a higher FC200 rating versus only an FC150 rating of the standard Grey cast iron OE-type material. (FC ratings are used as a measurement of the strength of cast iron) This material leads to a superior rotor with more tolerance for sharp temperature changes, while still having a high surface hardness, as well as a high resistance to cracking and other distortions.


Brake rotors are most commonly offered in solid and ventilated designs. In many modern vehicles the front rotors are ventilated and the rears are solid. This is the case with the Focus RS. Ventilated discs have a space between the brake surfaces that allow for airflow to pass through the rotor for cooling purposes. Solid discs don't offer this feature, which is why they are frequently used in the rear of vehicles where the brake system is often under less stress.

DBA rotors employ specifically designed pillars with a layout and post shape that works much like the curved vane when it comes to heat extraction, but offers even less obstruction to the airflow which reduces turbulence and increases the flow of hot air as it exits the rotor.

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