SG2FC1877 - EBC Racing SG Slotted 2pc-Floating Conversion Brake Rotors (Pair) - Volkswagen Golf MK7R & Audi S3 8V.

SG2FC1877 - EBC Racing SG Slotted 2pc-Floating Conversion Brake Rotors (Pair) - Volkswagen Golf MK7R & Audi S3 8V.

Fully-Floating 2-Piece Brake Rotors.

Craftsmanship meets fine materials in our highest performing rotor to date.

MQB 340 mm front rotors to fit Volkswagen Golf MK7R,  GTI PP, GTI 7.5, Audi 8S S3/TT/TTS and many other high performance MQB vehicles from Audi, Volkswagen & SKODA. Also fits Volkswagen Golf MK8 GTI, Passat 206, Superb 206 and many more!

* Please be sure to check your vehicle has 340mm front rotors fitted

Although EBC is quickly switching to its latest gen 3 silver grey disc rotors, all SG and SG2F disc rotors will remain in the gen 1 disc coating, for the foreseeable future. SG2F/SG2FC discs/rotors will have both a black ring and hub.  The pad swept area quickly wears down to the natural iron finish on the disc ring and any unswept areas remain protected by the black coating unless burned off, such as on outer edges, due to hard use and higher temperatures, which cannot be avoided.

Fully Floating…

After an extensive development program, thousands of hours dyno testing, and the construction of a brand-new production line at the EBC Brakes World Headquarters in Northampton, UK, EBC are pleased to launch a new range of high performance 2-piece fully-floating brake rotors under the newly formed EBC Brakes Racing sub-brand.

Embarking on this project, the EBC Brakes Racing team’s mission was a clearly defined one; to develop the highest quality 2-piece floating brake rotor available on today’s marketplace. The componentry and technology used in these brake rotors exemplifies this pursuit of ultimate and absolute quality, culminating in a brake rotor that is perfectly matched to the highest braking demands of modern performance road and race cars.

Fully Floating SG2F Two Piece Rotors/Discs

‘SG2F’ rotors that serve as a direct replacement for performance vehicles where 2-piece brake rotors are fitted as standard, e.g. Nissan GT-R (R35).

Where the vehicle has a 2-piece pin-drive brake rotor as original equipment, EBC’s SG2F 2-piece rotor upgrade seamlessly replaces the pin-drive rotor with a true fully-floating 2-piece rotor, whilst requiring no vehicle modifications.

SG2FC Two Piece Hub and Ring Solid Rotor Conversions

SG2FC 2-piece floating rotor conversions that upgrade OEM 1-piece cast iron rotors to performance 2-piece floating alternatives*, e.g. Ford Focus RS (mk3), Honda Civic Type R (FK8) SG2FK rotors that are included in EBC Brakes Racing’s Balanced Brake Kits™.

G3500 Disc Alloy Friction Rings

Every outer ring is cast from the highest-grade disc alloy ‘G3500’. Derived from race technology and having a high carbon and high copper metallurgy, G3500 disc alloy has superior thermal conductivity and heat cycling durability for maximum brake rotor life and performance, particularly during harder driving or track driving.

Highest Of Quality

EBC Brakes Racing would like to emphasise that we put as much effort into the development of our rotor metallurgy as we put into the development of our pad friction materials. The pad and rotor combined form the friction coupling; if either component is of poor quality then the outcome will likely be poor overall system performance. The best brake pad in the world used on a low-quality rotor with bad metallurgy will result in merely average overall performance since the pad will not be able to deposit the ‘transfer layer’ onto the brake disc that is critical to high brake system performance. For this reason, EBC Brakes Racing uses only the highest quality disc alloy available. In the production process, these cast iron rings are balance checked, metallurgy checked, and then precision double disc ground for perfect accuracy and flatness to within microns. In addition, the centre hub, stainless steel bobbins, pressure clips, and hardware are all 100% made at the EBC racing facility in the UK to guarantee precision quality and function.

The Benefits

The benefits of using a high-performance metallurgy are evident after testing EBC Brakes Racing’s 2-piece floating rotors against the recently introduced and extremely harsh ‘Reg 90’ dynamometer routine. The EBC 2-piece rotors completed two full test cycles back-to-back with zero disc cracking and no visible disc crazing. To put this into perspective, most OE discs show signs of cracking at stop 40 and then fail at 50% through just one R90 test, at stop 80 of 150. The quality of EBC’s metallurgy coupled with the fact that the disc is fully-floating in its design allows EBC’s 2-piece rotors to outperform most OE discs by a factor of over 4x in the ‘R90 Thermal Fatigue Test’.

EBC Brakes Racing’s 2-piece fully floating rotors have been tested to withstand hundreds of hours the harshest track driving

However, these rotors are not a track only product. Features such as anodised hubs, stainless-steel hardware and the incorporation of anti-rattle clips mean these rotors are road friendly, making them the perfect choice for customers who enjoy regular track days yet also drive their cars on the public highway.

48 Curved Vanes

All cast iron rings feature 48 curved vanes and are handed left and right, ensuring the vanes always rotate in the correct direction, giving maximum cooling efficiency.

Modern Vehicles

On many modern vehicles the vanes rotate in the wrong direction on one side of the vehicle, resulting in a higher disc temperature that leads to a temperature imbalance left to right. Unlike many OEM’s who sacrifice performance in search of cost savings on tooling, EBC Brakes Racing have chosen to make our rotor rings handed for improved brake system performance. Furthermore, whilst it is almost impossible to determine differences in quality between two brake rotors by looking at the exterior machined surfaces, a quick look down the vanes is often revealing. Look down the vanes of an EBC Brakes Racing rotor ring and it will be immediately apparent how smooth the cast features are compared to most competitor rotors.

Improved Flow Velocity

That’s because EBC use a precision moulding resin sand to create our castings, resulting in a much smoother cast surface that is less restrictive for air flowing over the cooling vanes. A less turbulent flow means improved flow velocity. When thinking of the rotor ring as one large centrifugal pump, it’s easy to see how a higher flow velocity leads to improved disc cooling, allowing the disc to perform more efficiently as a heat exchanger. Quite simply, you can push an EBC Brakes Racing rotor ring harder for longer before it reaches a given operating temperature. This lower operating temperature extends the life of the brake rotor and reduces the onset of brake fade.

Aerospace Grade Aluminium Bell

The mounting bells used in EBC Brakes Racing’s 2-piece rotors are each precision machined from a billet of aerospace grade aluminium, ensuring they are both strong and lightweight. The bells are subsequently black anodised, providing an aesthetically pleasing and corrosion-resistant finish, allowing the mounting bells to be re-used for multiple outer friction rings thus leading to lower long-term running costs.

Stainless-Steel SD-Drive™Bobbins

One of the smallest yet most innovative components used in EBC’s 2-piece fully-floating brake rotors is the stainless-steel SD-Drive™ bobbins. Unlike most competitor bobbins that are machined from steel and then zinc plated to cut cost, every SD-Drive™ bobbin is machined from a single piece of stainless-steel, meaning these bobbins can never rust.

More Than Just No Rust

The lack of rust mean that EBC Racing’s 2-piece discs continue to look great through your wheels for years to come, the elimination of corrosion around the drive bobbins also ensures that the brake rotor continues to float freely throughout its entire life on the vehicle, providing a robust and low-maintenance solution to rotor radial heat expansion. Often you will hear misinformed brake technicians stating that ‘floating rotors are for track use and should not be used on the public road’, however EBC’s innovative stainless-steel SD-Drive™ bobbins provide a solution that allows our 2-piece rotors to be used on the road without regular maintenance, even in countries where adverse weather and road gritting are common place.

Prevents Disc Rattle

Additionally, every bobbin location makes use of a spring clip that prevents disc rattle. This ensures the rotors are totally silent during operation and can be used on the public roads without the off-brake ‘rattle’ that plagues many other 2-piece floating rotors. SD-Drive™ bobbins operate on a ‘float in disc’ principle, meaning any wear resulting from regular expansion and contraction of the cast iron ring occurs in the slots in the cast iron ring itself, i.e. the component that becomes worn anyway after thousands of miles of braking. This allows the drive bobbins to be re-used for multiple outer friction rings, meaning only the outer ring needs to be replaced after a period of use, leading to significantly lower long-term running costs.

Worth pointing out that replacement cast iron rings from EBC are much more competitive than replacement rings from our main competitors.
Re-use of high quality components, coupled with the fact that EBC fully-floating rotors are far less prone to disc cracking, results in long-term disc running costs (or pence-per-mile costs) that is not all that dissimilar to much cheaper and much lower performance 1-piece cast iron rotors.

Other Key Benefits…

Lightweight with Lower Rotational Inertia.

It is widely acknowledged that a vehicle is constantly working against its weight whenever it is moving. Weight blunts acceleration, reduces deceleration, and slows the rate of changes in direction. A brake disc clearly adds to a vehicles weight but more importantly it adds to a vehicle’s unsprung weight. The fact that the brake disc is rotating also results in it having a rotational inertia.

The impact that a brake disc has on vehicle dynamics is therefore more significant than any other weight-adding component on the vehicle. The fact that EBC Brakes Racing’s 2-piece rotors offer a significant weight saving compared to similar sized brake rotors leads to improvements in acceleration, ‘dive’ under braking, and tyre road holding. Particularly in the case of SG2FC 2-piece conversions, the improvements in response of the vehicle before and after the upgrade is profound and highly perceptible by the driver.

Fitment:

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