What are everyone's thoughts on the effectiveness of cryo treating brake rotors? I run Coleman 12.8" rotors on my front brakes and had them cryo treated when I originally installed my brake kit. The rotors lasted me about six track days using Hawk DTC-60 pads until the hairline fractures got bad enough on the rotor surfaces that I can catch my fingernails on some of them. I know I need to replace them before the next track day. I'm running Dunlop Direzza Star Spec tires and the car is '09 MINI S. I understand the science behind cryo treating but as far as it being worth the added cash I can't speak from experience. What are everyone's thoughts and experiences?