The build: parts and fitment
| Component | Specification |
|---|---|
| Vehicle | Audi RS6 Avant (C7) |
| Front setup | Akebono 10-piston fixed caliper, 420 x 40 mm carbon ceramic rotor |
| Rear setup | Brembo four-piston braking caliper plus a separate electronic parking brake caliper, 410 x 32 mm carbon ceramic rotor |
| Rotor design | Two-piece floating: carbon ceramic friction ring on an aluminum hat |
| Pads | STOPFLEX CCB-matched ceramic compound |
| Axle scope | Full front and rear carbon ceramic conversion |
Read this before you order
This is a full kit decision, not a rotor swap. The front moves from the factory-style setup to 10-piston fixed hardware, so caliper, rotor, and pad have to work as one package — and your wheels need clearance for the bigger front caliper. Confirm wheel fitment before you buy.
What the upgrade actually does
| STOPFLEX feature | Why it matters on the RS6 C7 | What you notice |
|---|---|---|
| Carbon ceramic rotor, ~half the weight of steel | The C7 is a heavy, quick wagon, and the front axle carries the brunt of the braking load. Cutting rotor mass takes weight off the corners. | Suspension settles faster over rough pavement and the front end feels less heavy-footed. |
| Holds ~0.3μ surface friction at 900°C | Big speed plus real curb weight pushes a lot of heat into the brakes during repeated hard stops, where iron starts to fade. | The pedal feels about the same on the fifth hard stop as it did on the first. |
| Akebono 10-piston front caliper | A large fixed caliper spreads clamping force evenly across the 420mm rotor and stays stiff under high line pressure. | A firmer pedal with bite that builds predictably as you lean on it. |
| STOPFLEX pads, >0.4μ at normal temps | You want confident response on a cold first stop, not just when the system is hot. | Clean initial bite from the first application and very low brake dust on the wheels. |
| Rotors don't rust | An RS6 gets driven in the rain and washed often, and iron discs flash-rust between uses. | The rotor faces stay clean behind open wheels instead of going orange after a wash. |
What gets better
- More repeatable braking under back-to-back hard use.
- Firmer, more confident pedal from the 10-piston front caliper.
- Much less wheel cleaning thanks to very low dust with the matched pads.
- Clean rotor faces that don't rust after rain or washing.
- Lighter corners that help the suspension work better.
What to confirm first
- Wheel clearance for the 10-piston front caliper.
- Your current front hardware, since this is a full system conversion.
- Front 420 x 40 mm and rear 410 x 32 mm rotor sizing against your car.
- That you want the factory electronic parking brake retained — this setup keeps it.
If you're not sure your car matches the spec shown here, send us your details and we'll confirm Audi RS6 C7 fitment before you order through our Audi CCB collection.
Build gallery
RS6 C7 brake FAQ
Why move the RS6 C7 front brakes to a 10-piston caliper?
A larger fixed caliper spreads clamping pressure more evenly across a big carbon ceramic rotor and stays stiffer under load. On a heavy, fast car like the RS6 C7, that gives you a firmer pedal and more repeatable response during hard, repeated braking.
Does this RS6 C7 kit keep the factory electronic parking brake?
Yes. The rear uses a Brembo four-piston braking caliper alongside a separate electronic parking brake caliper, so the factory EPB function is retained without modification.
Do carbon ceramic rotors rust or struggle after rain and car washes?
No. STOPFLEX carbon ceramic rotors don't rust, so you skip the flash-rust film iron discs get after rain or washing. With the matched STOPFLEX pads, wet-weather response stays consistent for normal road driving.
What's the rotor size on this RS6 C7 build?
The front runs a 420 x 40 mm carbon ceramic rotor with the Akebono 10-piston caliper, and the rear runs a 410 x 32 mm carbon ceramic rotor.
How long do these rotors last on a street-driven RS6?
STOPFLEX uses long-fiber CCB construction for strength, and on the street, rotor life can reach roughly 250,000 to 300,000 km when the car isn't used on track.
