Product Info Increased stopping power & improved modulation for greater dowhnill confidence and control XT M8100 brake lever and M8120 4-piston hydraulic disc brake caliper Additional contact point on handlebar increases stiffness by 10% vs BL-M8000 Includes N04C metal pads w/ fins Quicker engagement & shorter, adjustable free stroke ServoWave technology Toolless adjustable reach Pre-assembled with SM-BH90-SBM high power hose