The Shimano XTR BR-M9220 is the flagship 4-piston hydraulic disc brake for trail and enduro riding, delivering elite-level power, modulation, and consistency across the harshest conditions. Paired with the redesigned BL-M9220 right lever — engineered with Ergo Flow geometry that tracks naturally with your finger arc — this complete front brake set puts unmatched control at your fingertips. In Australia, the right lever controls the front brake.

Highlights

• 4-piston dual-diameter caliper (BR-M9220) for maximum braking force and precise modulation
• BL-M9220 right lever with Ergo Flow pivot — 5 mm closer to the bar, 5-degree upsweep blade for natural finger tracking
• Redesigned Servo Wave technology optimises the power curve without added friction
• New low-viscosity Shimano mineral oil for consistent bite point in all temperatures
• Finned metal (P04C-MF) pads reduce heat build-up on long descents
• Tool-free reach adjust dial for instant lever personalisation
• I-SPEC EV compatible mount for clean integration with compatible shifters
• Includes SM-BH90-SBM high-pressure hose (1000 mm)
• Post mount caliper; rotor sold separately

Ergo Flow Lever Design

Shimano repositioned the BL-M9220 lever's pivot point 5 mm closer to the handlebar and added a 5-degree upswept blade, so the lever tracks the natural arc of your fingers through the pull stroke. The result is a more intuitive, fatigue-reducing feel whether you're riding flowy singletrack or punishing enduro stages. Tool-free reach adjust allows on-trail setup without stopping to dig out tools.

4-Piston Power and Servo Wave Modulation

The BR-M9220 caliper uses a dual-diameter opposed 4-piston arrangement — two smaller pistons engage first for initial bite and modulation, then the larger pistons ramp up force as lever pressure increases. Shimano's redesigned Servo Wave mechanism optimises this power curve without introducing friction, giving progressive, predictable stopping power that inspires confidence on technical descents. Finned metal pads draw heat away from the rotor surface, maintaining consistent performance even on extended mountain descents.

Low-Viscosity Oil and Consistent Performance

The M9220 system requires Shimano's SM-LVOIL low-viscosity mineral oil, engineered to remain stable across a wider temperature range than previous formulations. Enhanced caliper seals maintain a consistent lever feel and bite point regardless of whether the brakes are cold at the top of the climb or hot after a long descent. A dedicated bleed port (3 mm Allen key access) simplifies maintenance.

Compatibility & Fit

This set includes the BR-M9220 caliper, BL-M9220 right lever, and SM-BH90-SBM hose (1000 mm). Caliper mount: Post Mount. Brake fluid: Shimano SM-LVOIL low-viscosity mineral oil only (not compatible with previous Shimano mineral oil). I-SPEC EV compatible for integrated lever/shifter mounting. Recommended rotors: Shimano RT-CL900 or RT-MT905 (sold separately). Rotor not included.