Shimano XTR M9100 Hydraulic Disc Brake (2-Piston) – Overview

High-Performance MTB Braking:
The XTR M9100 2-piston hydraulic brakes are designed for maximum control, precision, and reliability in demanding mountain biking conditions. Engineered for competitive XC and trail riding, they deliver seamless operation and quick response to keep riders confident on technical descents.

Key Features:

Brake Lever:

• Seamless operation for smoother and quicker rebound

• Action-optimized cockpit layout

• Updated shape for improved ergonomics

• 10% stiffer than M9000 even under high temperatures

• Lightweight magnesium master cylinder (26 g lighter than M9000)

• Shorter free stroke for faster brake engagement

Caliper:

• MONO-BODY design machined from a single cold-forged block for rigidity

• Pair of ceramic pistons for precise, rider-tuned stopping power

• Higher braking force with reduced input effort

• Linear braking response with 30% reduction in stroke and time lag vs M9000

• New high-rigidity brake hose and 1-piece aluminum caliper

• Lightweight, straight hose connection for easy routing

Ideal For:

• XC racing, enduro, and trail riding

• Riders demanding highly responsive, lightweight, and consistent braking

• Bikes requiring high-performance hydraulic disc systems