Eric F.wrote a review of Shimano XTR SM-RT99 CenterLock Disc Rotor on August 15, 2017
Familiarity: I've put it through the wringer
Serious bit of tech. Feather light, looks the business, and the highest performance. I dont think i push these rotors hard enough to test the cooling, but they certainly have plenty of bite all the way down my steepest DH segments.