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Part # A1-034

GiroDisc Front 2-Piece Floating Rotor Pair for B8/B8.5 Audi RS5, C5 RS6 & R8

GiroDisc Front 2-Piece Floating Rotor Pair for B8/B8.5 Audi RS5, C5 RS6 & R8



  • Lightweight Construction (22.6 lb 380mm GiroDisc Rotor vs. 23.0 lb 365mm OE Audi Rotor)
  • Floating, 2-Piece Design
  • Larger Rotor for Greater Cooling Capacity & Braking Force
  • Curved Vanes Force Cooling Air through Brake Disc
  • Cadmium Plated Hardware for Corrosion Resistance
  • Made in the USA!

What’s Included:

  • GiroDisc 2-Piece Floating Front Rotor Pair
  • GiroDisc Caliper Spacers
Compatible Vehicles:
  • 2003 – 2004 Audi RS6 (C5)
  • 2008 – Present Audi R8
  • 2010 – 2017 Audi RS5 (B8/B8.5)



The GiroDisc system is a direct replacement for the OE brake discs, meaning no modifications are necessary. This front rotor pair will bolt directly to the car and work with factory brake calipers perfectly when using the provided caliper spacers. By upgrading your brakes with lightweight, high-performance replacement discs compared to a big brake kit, the factory brake bias is maintained along with ABS efficiency. The GiroDisc rotor is slightly larger at 380mm compared to the factory 365mm to provide greater braking force and cooling capacity. Even with the added size to the rotor, the GiroDisc units weigh 22.6 lbs, or 0.4 lbs less than the 23.0 lb factory replacement discs. This reduction in rotational and unsprung weight allows for quicker acceleration and suspension response.

The central hat portion of the GiroDisc rotor is made strictly from U.S. sourced 6061-T6 aircraft specification aluminum. The disc is constructed from GiroDisc’s own proprietary cast iron, poured in the USA and machined from start to finish in-house at their facility. The rotor utilizes a curved vane design, developed in racing to act as a centrifugal pump to force cooling air through the disc.

The rotor and hat have a floating mount system that utilizes 8 or 10 high strength alloy steel drive pins, manufactured by GiroDisc in the USA to their own specifications and cadmium plated for a long lasting corrosion resistance. The pins take the load from braking actions while maintaining the axial and radial float between the hat and disc. The pins are secured by Grade 12 cap screws with hardened washers. In order to keep the rotors from making noise when cold, the pins are mounted with anti-noise spring washers on the rotor side which allow the rotor to grow with heat expansion but eliminate the rattle and noise associated with floating rotors. This float also allows the rotor to self center between the pads.



GiroDisc Racing Brakes and Technology


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