EBC Racing's SG2FC2030SF front rotors convert the factory single-piece setup to a fully floating two-piece design, pairing a lightweight aluminum center hub with a G3500 high-carbon, high-copper cast iron outer ring built to survive conditions that crack OEM discs.
G3500 disc alloy sets the thermal ceiling higher. Every outer ring uses the highest-grade disc alloy available in production, with elevated carbon and copper content that raises thermal conductivity and heat-cycling durability well beyond standard cast iron. In back-to-back Reg 90 dynamometer testing, EBC's two-piece rotors completed two full cycles with zero cracking and no disc crazing. Most OEM rotors show cracking at stop 40 and fail at stop 80 of 150, a single cycle. EBC's two-piece design outperformed that baseline by more than four times in the R90 Thermal Fatigue Test.
Floating construction absorbs heat expansion without stress. A fully floating rotor allows the outer ring to move independently of the hub during thermal expansion. That movement eliminates the internal stresses that cause warping and cracking in rigid one-piece discs, keeping pedal feel consistent lap after lap rather than degrading as temperatures climb.
48 curved and handed vanes maximize cooling efficiency. Each outer ring features 48 curved vanes cast in a handed configuration, left and right, so the vanes always rotate in the correct direction for their side of the vehicle. This directional design maximizes the volume of air drawn through the rotor, pulling heat out of the friction surface faster than a straight-vane or non-handed design could achieve.
Reduced unsprung weight changes how the car behaves. Because a rotating brake disc carries rotational inertia in addition to static weight, every gram saved at the rotor has a compounding effect on acceleration response, braking dive, and tire contact. The aluminum hub in the SG2FC conversion delivers a meaningful weight reduction over a comparable solid iron rotor, and the resulting improvement in vehicle response is immediately perceptible to the driver.
All hardware manufactured at EBC's UK facility. The center hub, stainless steel bobbins, pressure clips, and assembly hardware are produced entirely at EBC Racing's UK production facility. Every cast iron ring is balance checked, metallurgy verified, and precision double-disc ground for flatness accurate to within microns before leaving the factory.
Product Benefits
- Two-Piece Floating Design: Converts OEM single-piece cast iron rotors to a performance floating configuration for the Focus RS MK3 front axle.
- G3500 High-Grade Disc Alloy: High-carbon, high-copper metallurgy delivers superior thermal conductivity and heat-cycling durability over standard cast iron.
- R90 Thermal Fatigue Tested: Completed two full back-to-back Reg 90 cycles with zero cracking, outperforming most OEM rotors by more than four times.
- 48 Curved, Handed Vanes: Directional vane geometry ensures correct airflow rotation on each side of the vehicle for maximum cooling efficiency.
- Reduced Unsprung and Rotational Weight: Aluminum hub cuts mass at the wheel, improving acceleration response, braking behavior, and tire road-holding.
- Precision Ground Flatness: Each ring is double-disc ground to within microns for consistent pad contact and smooth pedal feel.
- UK-Manufactured Hardware: Bobbins, pressure clips, and assembly hardware produced entirely at EBC Racing's facility for guaranteed precision and fit.
- Direct Fitment: Front fitment specific to the 2016-2018 Ford Focus RS MK3.
About EBC Racing: EBC Brakes Racing develops high-performance brake components for motorsport and performance road use, applying the same metallurgical and friction-material engineering discipline to both pad and rotor development. The brand manufactures its racing rotor hardware in-house in the UK and supplies components for track days, circuit racing, and enthusiast performance driving worldwide.
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Product Specifications & Vehicle Fitment
Review the product details and confirm compatibility with your vehicle before ordering.
| Specification | Details |
|---|---|
| Vehicle Trim | RS |
| Vehicle Fitment | 2016, 2017, 2018 |
