Shimano XTR BR-M9120 Brake Lever And Post Mount Calliper Set

XTR fully bled 4 pot Trail brakes are performance optimized Servo-Wave systems with full adjustability on the fly.

The XTR M9120 caliper features a Mono-Body design which is machined from a single cold forged block to maximize rigidity and four ceramic pistons for perfect, Rider Tuned stopping power.

Shimano's XTR Trail lever pairs with the new 4-piston Trail caliper offering Rider Tuned stopping power for the ever more capable breed of modern mountain bikes. With tool-free reach adjust and Shimano's new I-Spec EV standard, the BL-M9120 lever continues to set the standard for mountain bike brakes.

Technology

Ice Technologies

The fade, which can occur to disc brake rotor and pad when braking on a long downhill ride for instance, has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and Ice Technologies pad to realize the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminum and stainless steel, provides better radiation performance. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight.

Ice Technologies piston in order to achieve optimized lightweight, high rigidity and heat dissipation. Oversized pistons transfer hydraulic power directly to the brake pad, and ceramic material is used to avoid heat transfer for constant stable braking, providing efficient stopping power transfer without loss.

Four piston

Disc brake system with the dual diameter opposed-piston caliper design has differently sized pistons in front and in the rear. The system adopts a power transfer system in which the disc brake rotor is pressed by the smaller sized piston at the entrance of the disc brake rotor intake and also by the more powerful larger sized piston at the back. This prevents the wobbling motion of the disc brake rotor and reduces noises significantly.

The 4-piston caliper also allows a wider contact area for the disc brake rotor while keeping the size compact, and the efficient location of pads is adjusted as necessary to stabilize the pressure. In combination use with the Servowave lever it provides an incredible 50% more stopping power than the previous model. The advanced Saint / Zee disc brake system, which adjusts to accommodate the different braking styles of different riders, offers stable braking power and excellent modulation.

Servowave Action

When you pull a Servowave brake lever, initial pad travel is fast, so little lever movement is needed to bring the pads into contact with the rotor. The power multiplication factor then increases rapidly at the pad-to-rim contact so more of the lever stroke is used to apply greater braking power with improved control.

I-Spec EV

I-Spec EV creates a clean and action-optimized cockpit that provides greater focus and flexibility for a wider range of riders.

• Wider adjustment range allows riders of various styles, preferences and body styles to adjust to the optimal position
• Ergonomic design, quicker lever access, and light operation enhance rider comfort and concentration

With its wider adjustment range, I-Spec EV levers can be adjusted to the optimal position to match a wider range of riding styles (Enduro / XC / etc.), rider preferences and rider anatomies (hand and arm alignment).

I-Spec EV increases brake lever rigidity by moving the brake clamp position inward to create an extra point of contact between the bar and the lever. This additional bracing drastically increases bike control and braking engagement while maintaining space between the clamp and support point for other handlebar accessories.

Features

• Fully bled lever and calliper comes without adapters or rotors giving you the freedom to customise and suit your bike
• Recommended for use with Ice Tech Center Lock rotors for optimum braking performance in a choice of 160, 180 and 203mm
• Short stroke Servo-Wave mechanism with SIL-TEC roller for a quick, smooth pad engagement and more power for aggressive riding
• Free-stroke adjustment
• Second braced bar contact point for increased master cylinder and lever rigidity
• 4 pot ceramic pistons optimized for heat insulation, lightweight and stiffness
• Super lightweight forged body design is rigid and lightweight
• Carbon / Alloy structure short 14mm wide brake lever with textured finish for optimum strength, grip and reliability
• Ergonomic pivot position for efficient and powerful braking
• Mineral oil brake fluid
• Shim-less post style mounting system can be used with adapters
• Hinged clamp and reach adjustment for quick installation and the perfect custom fit
• I-Spec EV compatible
• Kit also contains N04C Sintered pads with fins, spare olives and insert should you wish to adjust the length of the cuttable hoses
• Hose length: 1000mm