The renowned German test institute “velotech.de” has tested all SHIMANO XTR
disc brakes in the previous weeks with striking results. They have tested the Cross-Country as well as the Trail version of the new XTR with different rotor-sizes and compared them to the famous SAINT brakes as well as with two other high-end brands that are included in the usual magazine- tests regularly as well. See all reports and results here: velotech disc brake test