A1-123SL – GiroDisc 2-Piece Rotor Assembly; Left
Mercedes - Benz
AMG GT (C190) Coupe 2014 - Present
- C 4.0 Twin Turbo 2018 - 2021
- R 4.0 Twin Turbo 2016 - 2021
- S 4.0 Twin Turbo 2014 - 2020
AMG GT (R190) Convertible 2014 - Present
- C Roadster 4.0 Twin Turbo 2016 - 2021
AMG GT (X290) Coupe 2014 - Present
- 43 3.0 Turbo Supercharged 2018 - Present
- 50 3.0 Turbo Supercharged 2018 - Present
- 53 3.0 Turbo Supercharged 2018 - Present
- 63 4.0 Twin Turbo 2018 - Present
- 63 S 4.0 Twin Turbo 2018 - Present
C - Class (A205) Convertible 2014 - Present
- C63 AMG 4.0 Twin Turbo 2015 - 2018
- C63 S AMG 4.0 Twin Turbo 2015 - 2018
C - Class (C204) Coupe 2007 - 2015
- C63 AMG Black Series 6.2 2012 - 2015
C - Class (C205) Coupe 2014 - Present
- C63 AMG 4.0 Twin Turbo 2015 - 2018
- C63 S AMG 4.0 Twin Turbo 2015 - 2018
C - Class (S205) Estate 2014 - 2021
- C63 AMG 4.0 Twin Turbo 2015 - 2018
- C63 S AMG 4.0 Twin Turbo 2015 - 2018
C - Class (W204) Sedan 2007 - 2015
- C63 AMG DR520 6.2 2011 - 2014
C - Class (W205) Sedan 2014 - 2021
- C63 AMG 4.0 Twin Turbo 2015 - 2018
- C63 S AMG 4.0 Twin Turbo 2015 - 2018
CLS - Class (C219) Sedan 2004 - 2010
- CLS63 AMG 6.2 2006 - 2010
E - Class (W213) Sedan 2016 - Present
- E63 AMG 4.0 Twin Turbo 2017 - 2020
- E63 S AMG 4.0 Twin Turbo 2017 - 2023
S - Class (A217) Convertible 2013 - 2020
- S63 AMG Cabriolet 4.0 Twin Turbo (w / Iron Discs) 2017 - 2020
- S63 AMG Cabriolet 5.5 Twin Turbo (w / Iron Discs) 2015 - 2017
- S65 AMG Cabriolet 6.0 Twin Turbo (w / Iron Discs) 2016 - 2020
S - Class (C217) Coupe 2013 - 2020
- S63 AMG Coupe 4.0 Twin Turbo (w / Iron Discs) 2017 - 2020
- S63 AMG Coupe 5.5 Twin Turbo (w / Iron Discs) 2014 - 2017
- S65 AMG Coupe 6.0 Twin Turbo (w / Iron Discs) 2014 - 2020
S - Class (W222) Sedan 2013 - 2020
- S63 AMG 4.0 Twin Turbo (w / Iron Discs) 2017 - 2020
- S63 AMG 5.5 Twin Turbo (w / Iron Discs) 2013 - 2017
- S65 AMG 6.0 Twin Turbo (w / Iron Discs) 2014 - 2020
SL - Class (R230) Convertible 2001 - 2012
- SL55 AMG 5.5 Supercharged 2006 - 2008
- SL63 AMG 6.2 2008 - 2012
- SL65 AMG 6.0 Twin Turbo 2004 - 2007
- SL65 AMG 6.0 Twin Turbo 2007 - 2012
- SL65 AMG Black Series 6.0 2008 - 2011
SL - Class (R231) Convertible 2012 - 2020
- SL63 AMG 5.5 Twin Turbo (w / Iron Discs) 2012 - 2019
- SL65 AMG 6.0 Twin Turbo (w / Iron Discs) 2012 - 2018
SLS AMG (C197) Coupe 2010 - 2014
- 6.2 Supercharged (w / Iron Discs) 2010 - 2013
- GT 6.2 Supercharged (w / Iron Discs) 2012 - 2014
SLS AMG (R197) Convertible 2010 - 2014
- 6.2 Supercharged (w / Iron Discs) 2011 - 2013
- GT 6.2 Supercharged (w / Iron Discs) 2012 - 2014
€1,011.69 Incl. VAT
- Manufacturer: Girodisc
- Material: Cast Iron
- Package Contents: 1x Brake Disc
- A1-123SL – GiroDisc 2-Piece Rotor Assembly; Left The GiroDisc 2-piece rotor system is a direct replacement for the OE rotor, no modifications are necessary.
- The disc will bolt directly to the car and work with OE calipers perfectly.
- Once the Girodisc system is in place, simply replace the cast iron rotor ring when needed.
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Girodisc
Girodisc is an American manufacturer of two-piece floating brake rotors founded and based in the United States. The company specialises in high-performance replacement rotor systems designed as direct-fit upgrades to OEM or aftermarket brake calipers, without requiring a complete big brake kit conversion.
Their rotors use an aluminium hat (bell) paired with a separate iron rotor ring, with the two components connected via floating bobbins. This floating design allows the ring to expand thermally without transferring stress to the hat, reducing warping and cracking under sustained track use. The lighter aluminium hat also reduces unsprung weight compared to a solid OEM rotor.
Girodisc rotors are widely used in endurance racing, time attack, and serious track day driving where repeated hard braking cycles generate heat that OEM solid rotors cannot manage reliably. They are a popular choice for drivers who want the thermal performance of a motorsport rotor in a package that bolts directly to their existing caliper.
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Description
A1-123SL – GiroDisc 2-Piece Rotor Assembly; Left The GiroDisc 2-piece rotor system is a direct replacement for the OE rotor, no modifications are necessary. The disc will bolt directly to the car and work with OE calipers perfectly. Once the Girodisc system is in place, simply replace the cast iron rotor ring when needed.
The average Girodisc 2-piece rotor is approx 2kg lighter per rotor then the stock units. This reduction in rotational and unsprung weight allows for quicker acceleration and suspension response.
Additional information
| Manufacturer | Girodisc |
|---|---|
| OEM Disc Diameter (mm) | 0, 390 |
| Disc Diameter (mm) | 0, 390 |
| Disc Finish | Curved Slotted |
| Disc Height (mm) | 6, 64 |
| Disc Construction | 2-Piece Floating |
| Disc Side | Left |
| Max Thickness | 0, 36 |
| Min Thickness | 0, 34 |
| Disc Type | Vented |
| Disc Quality | Premium |
| Material | Cast Iron |
| Package Contents | 1x Brake Disc |
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