Shimano Deore XT BL-M8100/BR-M8120

The Shimano Deore XT BL-M8100/BR-M8120 is a high-performance hydraulic disc brake set for MTB (Enduro/Trail) featuring the 2-finger BL-M8100 lever with tool-free reach adjust, I-Spec EV integration, and Servo Wave action for fast engagement, paired with the powerful 4-piston BR-M8120 caliper for downhill confidence, using Mineral Oil and Ice-Tech pads (N03A/N04C) with fin cooling for heat management, post-mount design, and compatible with RT-MT800 rotors. 

Key Specifications:

Series: Deore XT M8100

Application: Enduro, All-Mountain, Trail

Brake Type: Hydraulic Disc Brake

Brake Fluid: Shimano Mineral Oil

Hose: SM-BH90-SBM (standard lengths: 1000mm Front/1700mm Rear)

Brake Line Connection: Banjo 

Brake Lever (BL-M8100):

Design: 2-Finger, Ergonomic

Adjustment: Tool-free Reach Adjust

Mount: I-Spec EV (for shifter integration)

Technology: Servo Wave Action (faster engagement, shorter free stroke) 

Brake Caliper (BR-M8120):

Pistons: 4-Piston (provides power & control)

Mount: Post Mount (adapter for IS available)

Pad Standard: N03A Resin (with fins) or N04C Metal (with fins)

Technology: Ice-Tech (cooling fins for heat dissipation)

Features: Quicker piston retraction, reduces rotor wobble/noise, superior modulation. 

Recommended Rotor:

Shimano RT-MT800 (Ice-Tech) 

Benefits:

High Power: 4-piston design delivers confidence-inspiring stopping power.

Superior Control: Quick piston retraction and Servo Wave offer excellent modulation.

Easy Maintenance: One-Way Bleeding system for simple setup and bleeding.

Tidy Cockpit: I-Spec EV allows shifter mounting directly on the brake lever.