2008-2023 Audi R8/RS5 Rear Two-Piece Floating Brake Rotors | Direct Fit
🚚 Estimated Delivery Time
Product Specifications
| SKU | AU129R-FL-S-P |
| Brand | Kroser |
| Position | Rear |
| Two-Piece Disc Type | Floating Two-Piece Brake Disc |
| Rotor Diameter | 356 mm |
| Rotor Thickness | 32.0 mm |
| Minimum Thickness | 30.4 mm |
| Material | Aerospace Aluminum & G3000 Cast Iron |
| Vane Type | Directional vane |
| Surface Treatment | 6 Carved Slots & Dacromet |
| Our Weight | 9.0 kg |
| OEM Weight | 9.0 kg |
| Hardware Grade | 12.9-Grade Alloy Steel (Floating Bobbins) |
| Certification | ECE R90 |
| Package Includes | 1 Pair (Left & Right) |
| Hardware Kit Includes | 12.9-Grade stainless steel bobbins, washers, anti-rattle clips, and spring clips for noise-free floating performance. |
| Compatible OEM Part Numbers | 420615601A 420615601B 420615601C 420615601E 420615601F 420615601L AU129R |
Upgrade your 2008-2023 Audi R8 and RS5 with our direct-fit rear two-piece floating brake rotors. Compatible with V8 and V10 engines. Direct OE fitment, no mods needed.
Engineered for performance:
✅ IATF 16949 certified facility – Automotive-grade quality management
✅ ECE R90 certified (UN Regulation No. 90) – Meets international safety standards for brake performance
Track-ready upgrades:
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Full-floating design with 12.9-grade alloy steel bobbins
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Directional vanes for superior heat dissipation
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Dacromet-coated surface for extreme corrosion resistance
Not sure if this fits your vehicle?
📩 Contact us with your rotor diameter + thickness and VIN or vehicle details. We will confirm fitment for you.
Already a pro?
You may order directly if you are confident in the fitment.
⚠️ Important: Please inspect the parts upon arrival. Do not install until you are ready. Incorrect orders placed without our confirmation are not eligible for return.
Don't see your application?
We specialize in custom and hard-to-find floating rotors. If you don't see what you need, just leave us a message. We will work with you to deliver the right solution — typically within 4 months.
Note: If your specific vehicle is not listed, please contact us with your VIN or vehicle details.
✅ Vehicle Fitment
| Year | Make | Model | Trim | Engine |
|---|---|---|---|---|
| 2023 | Audi | R8 | Performance RWD Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2023 | Audi | R8 | Performance RWD Spyder Convertible 2-Door | 5.2L V10 Naturally Aspirated |
| 2022 | Audi | R8 | Performance RWD Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2022 | Audi | R8 | Performance RWD Spyder Convertible 2-Door | 5.2L V10 Naturally Aspirated |
| 2021 | Audi | R8 | Base Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2021 | Audi | R8 | Spyder Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2020 | Audi | R8 | Base Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2020 | Audi | R8 | Spyder Convertible 2-Door | 5.2L V10 Naturally Aspirated |
| 2018 | Audi | R8 | Base Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2018 | Audi | R8 | RWS Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2018 | Audi | R8 | Spyder Convertible 2-Door | 5.2L V10 Naturally Aspirated |
| 2017 | Audi | R8 | Base Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2017 | Audi | R8 | Spyder Convertible 2-Door | 5.2L V10 Naturally Aspirated |
| 2016 | Audi | RS5 | Base Coupe 2-Door | 4.2L V8 Naturally Aspirated |
| 2015 | Audi | R8 | Base Coupe 2-Door | 4.2L V8 Naturally Aspirated |
| 2015 | Audi | R8 | Base Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2015 | Audi | R8 | Plus Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2015 | Audi | R8 | Spyder Convertible 2-Door | 4.2L V8 Naturally Aspirated |
| 2015 | Audi | R8 | Spyder Convertible 2-Door | 5.2L V10 Naturally Aspirated |
| 2015 | Audi | RS5 | Base Coupe 2-Door | 4.2L V8 Naturally Aspirated |
| 2015 | Audi | RS5 | Cabriolet Convertible 2-Door | 4.2L V8 Naturally Aspirated |
| 2014 | Audi | R8 | Base Coupe 2-Door | 4.2L V8 Naturally Aspirated |
| 2014 | Audi | R8 | Base Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2014 | Audi | R8 | Plus Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2014 | Audi | R8 | Spyder Convertible 2-Door | 4.2L V8 Naturally Aspirated |
| 2014 | Audi | R8 | Spyder Convertible 2-Door | 5.2L V10 Naturally Aspirated |
| 2014 | Audi | RS5 | Base Coupe 2-Door | 4.2L V8 Naturally Aspirated |
| 2014 | Audi | RS5 | Cabriolet Convertible 2-Door | 4.2L V8 Naturally Aspirated |
| 2013 | Audi | RS5 | Base Convertible 2-Door | 4.2L V8 Naturally Aspirated |
| 2013 | Audi | RS5 | Base Coupe 2-Door | 4.2L V8 Naturally Aspirated |
| 2012 | Audi | R8 | Base Convertible 2-Door | 4.2L V8 Naturally Aspirated |
| 2012 | Audi | R8 | Base Convertible 2-Door | 5.2L V10 Naturally Aspirated |
| 2012 | Audi | R8 | Base Coupe 2-Door | 4.2L V8 Naturally Aspirated |
| 2012 | Audi | R8 | Base Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2012 | Audi | R8 | GT Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2012 | Audi | R8 | GT Spyder Convertible 2-Door | 5.2L V10 Naturally Aspirated |
| 2012 | Audi | R8 | Spyder Convertible 2-Door | 4.2L V8 Naturally Aspirated |
| 2012 | Audi | R8 | Spyder Convertible 2-Door | 5.2L V10 Naturally Aspirated |
| 2011 | Audi | R8 | Base Convertible 2-Door | 4.2L V8 Naturally Aspirated |
| 2011 | Audi | R8 | Base Convertible 2-Door | 5.2L V10 Naturally Aspirated |
| 2011 | Audi | R8 | Base Coupe 2-Door | 4.2L V8 Naturally Aspirated |
| 2011 | Audi | R8 | Base Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2011 | Audi | R8 | Spyder Convertible 2-Door | 4.2L V8 Naturally Aspirated |
| 2011 | Audi | R8 | Spyder Convertible 2-Door | 5.2L V10 Naturally Aspirated |
| 2010 | Audi | R8 | Base Coupe 2-Door | 4.2L V8 Naturally Aspirated |
| 2010 | Audi | R8 | Base Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2009 | Audi | R8 | Base Coupe 2-Door | 4.2L V8 Naturally Aspirated |
| 2009 | Audi | R8 | Base Coupe 2-Door | 5.2L V10 Naturally Aspirated |
| 2008 | Audi | R8 | Base Coupe 2-Door | 4.2L V8 Naturally Aspirated |