Shawn Craigwrote a review of Shimano XT SM-RT86 Rotor - 6-Bolt on April 26, 2016
Familiarity: I've put it through the wringer
I've been using XT rotors for the past two seasons with XT Brakes. Bang for the buck it's the best Brake System I've used. They work great and are extremely reliable. Highly recommended.