It’s the original Shimano Servo-Wave brake, but detail glitches on the XT mean it’s overshadowed by newer units.
The low proﬁle single-piece calliper looks neat, but the hose angle is ﬁxed, bleeding is awkward and weight is high. The ‘free stroke’ bite adjust screw was extremely stiff too. It’s single-sided and the split clamp is awkward to ﬁt without scratching carbon bars.
The Servo-Wave leverage means plenty of pad clearance for easy calliper set-up and quieter running and it boosts average dry power levels.
Wet braking performance is better and sintered pads last well. Separate rotor and mount pricing adds ﬂexibility, but the cost is high – especially as the Shimano Deore 595 is more powerful and £55 cheaper.
Dry brake test graph
Dry brake test graph for all brakes tested
Wet brake test graph
Wet brake test graph for all brakes tested