Shimano XTR M9120
Ultimate 4-piston race brake
Specifications
- Pistons
- 4-piston
- Brake Type
- Hydraulic disc
- Hose Connection
- Banjo
- Brake Fluid
- Shimano Mineral
- Reach Adjustment
- Toolless
- Disk Size
- 140mm, 160mm, 180mm, 203mm, 220mm
- Disk Thickness
- 2.0mm
- Weight
- 260g
- Features
- ICE Technologies, MONO-BODY
- Blade Material
- Aluminum
- Contact Point Adjustment
- Yes (Free Stroke)
- Lever Pivot
- Bushing
Overview
The XTR M9120 caliper features a MONO-BODY design machined from a single cold forged block to maximize rigidity. Four ceramic pistons deliver perfect, Rider Tuned stopping power with 10% more braking force than M9020.
Features
MONO-BODY machined caliper design
Four ceramic pistons
10% more power than M9020
Highly linear response
30% reduced stroke and time lag vs M9000
ICE Technologies heat management
Low-profile 4-piston design
Guides for setup
All guidesBrake Bed-in
The essential process for achieving maximum braking power.
Brake Bleeding
System-specific bleed procedures for Shimano, SRAM, and Magura — eliminate lever sponginess and restore full power.
Weather & Conditions Adaptation
Setup adjustments for wet, muddy, dry, and cold conditions — tires, suspension, drivetrain, and brakes.
How we evaluate this component
Product cards, analysis notes, and setup guidance are grounded in public specifications, market positioning, compatibility, and the most likely real-world use cases on trail.
Read the full methodology