This is Shimano's XTR BL-M9120 and BR-M9120 Disc Brake. These lightweight and powerful enduro-focused brakes have 10% more braking power and 8% stiffer than the M9000 brakes. The 4-piston design offers reliable and powerful braking allowing you to brake later, so you can be faster.
I-SPEC-EV bar mounting technology ICE cooling technology Servowave Action
Brake Type: Hydraulic Brake Fluid: Mineral Oil Brake Mount: Post Mount Brake Pads: Metallic/Sintered Hose Length: 1000mm (Left), 1700mm (Right) Pistons: 4 Lever Clamp: I-Spec EV Compatible (22.2mm) Color: Black Weight: 385g (Lever & Caliper) Not Included: Adapter
J-Kit Version: For some frames with internal routing, the J-Kit version may be easier to install, since everything is pre-bled, but the lever comes disconnected. Disconnected lever comes pre-bled with connecting bolt/built-in olive pre-installed. The brake caliper is pre-bled with the brake hose connected/capped.
Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.