StopTech Sport Rotors are also available with an optional cryogenic treatment. Although cryogenic treatment is invisible to the naked eye, many fleet customers are sold on its ability to extend the service life of the brake rotor. Deep cryogenic treatment is a one-time process that permanently improves the performance and wear characteristics of metal components, from brake rotors and engine parts to machine tools and gear sets. All new StopTech Sport Rotors may be ordered with cryogenic treatment for an additional fee.
Symmetric vane, split-core castings for uniform heat distribution. Black E-Coat anti-corrosive coating protects much better than competitors spray paint. Double disc ground friction surface for optimal performance and service life
This extra process provides better rotor balance and creates a cleaner; more finished looking component; In addition; Rotors are inspected for balance and mill-corrected to a tolerance of less than 2oz
2008 – 2011 Audi A5 Quattro, 2009 – 2011 Audi A4, 2009 – 2012 Audi A4 Quattro, 2009 – 2012 Audi Q5, 2010 – 2011 Audi A5

Fitment
2008 Audi A5 Quattro Base
2009 Audi A4 Base
2009 Audi A4 Cabriolet
2009 Audi A4 Quattro Avant
2009 Audi A4 Quattro Base
2009 Audi A4 Quattro Cabriolet
2009 Audi A5 Quattro Base
2009 Audi Q5 Premium
2009 Audi Q5 Premium Plus
2009 Audi Q5 Prestige
2010 Audi A4 Base
2010 Audi A4 Quattro Avant
2010 Audi A4 Quattro Base
2010 Audi A5 Cabriolet
2010 Audi A5 Quattro Base
2010 Audi A5 Quattro Cabriolet
2010 Audi Q5 Premium
2010 Audi Q5 Premium Plus
2010 Audi Q5 Prestige
2011 Audi A4 Base
2011 Audi A4 Quattro Avant
2011 Audi A4 Quattro Base
2011 Audi A5 Cabriolet
2011 Audi A5 Quattro Base
2011 Audi A5 Quattro Cabriolet
2011 Audi Q5 Premium
2011 Audi Q5 Premium Plus
2011 Audi Q5 Prestige
2012 Audi A4 Quattro Avant
2012 Audi A4 Quattro Base
2012 Audi Q5 Premium
2012 Audi Q5 Premium Plus
2012 Audi Q5 Prestige