Hydraulic disc brake caliper.


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.

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 achieving from 400˚C to 300˚C surface temperature. 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.


Quicker Piston retraction
Reduces disc brake rotor wobbling noise and increases braking power by 10% (vs. M8000)
Four Piston
Banjo type connection and inside hose routing
Stable and versatile high-performance brake control
High power braking instills greater downhill confidence and control
Quick and easy assembly


Brake hose color (kit) Black
Brake Hose (Kit) SM-BH90-SBM
Brake Type Hydraulic Disc Brake
Caliper Fixing Bolt - Anti Loosen Method Snap Ring
Caliper Fixing Bolt - Tool Size 5mm
Hose Joint Banjo
J-Kit Spec (for OEM) Yes
Mount Type (available for IS mount adapter Post-Type
Oil Shimano Mineral
Pad - Option D02S Metal (w/o fin), N04C Metal (w/ fin)
Pad - Standard D03S Resin (w/o fin), N03A Resin (w/ fin)
Pad Mount Pad Axle
Piston 4
Recommended Brake Lever BL-M7100
Recommended Brake Rotor SM-RT70
Ice Technology Pad Compatible Caliper Yes

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