Shimano XTR M9020 Trail Brake LeverCaliper Disc Brake. While the new Shimano XTR M9000 line is optimized for high performance cross country mountain biking where every gram counts, its sister XTR M9020 groupset is tuned for those seeking the ultimate performance in the all mountain, enduro, and trail end of the spectrum. And if you're going all in on technical, demanding terrain you'll most definitely want the Shimano XTR M9020 hydraulic brake lever and disc brake to handle stopping duties. Providing a whopping 25% more stopping power than the M9000 brakeset, the M9020 uses a high rigidity, pre loaded aluminum caliper and new Servo Wave lever with powerful and stiff carbon alloy structures for improved control and ergonomics. Ice Technology radiator pads and a new glass fiber phenolic construction piston provide the ultimate in heat control so you can torch the trails and not your brakes.