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XT BR-M8120 Disc Brake
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XT BR-M8120 Disc Brake delivers powerful, precise control for aggressive trail riding
What Our Gearhead® Experts Are Saying:
“I’ve run these on everything from enduro bikes to trail rigs—they’re bulletproof. The 4-piston power and Servo-Wave feel give me instant confidence on steep descents, and modulation is spot-on. Once you try them, you’ll understand why everyone swears by XT.”
When the trail points down and gravity takes over, the Shimano XT BR-M8120 Disc Brake gives us the power and control to keep speed in check with confidence. Its 4-piston caliper delivers aggressive, consistent braking on long descents, while the refined Servo-Wave lever design ensures smooth, intuitive modulation even in the sketchiest terrain.
Engineered for riders who demand reliability and precision, the M8120’s ceramic pistons resist heat buildup, and the finned pads dissipate it fast for fade-free braking on sustained drops. The updated I-Spec EV lever clamp keeps the cockpit clean and stable, making it easy to pair with shifters and dropper remotes. Pre-bled and ready to mount, this system blends Shimano’s legendary dependability with the kind of fine-tuned performance that elevates every ride.
Details
- Powerful 4-piston hydraulic disc brake for trail and enduro riding
- Servo-Wave lever delivers faster engagement and improved modulation
- Ceramic pistons and finned pads reduce heat for consistent braking
- Inboard I-Spec EV clamp design saves cockpit space and boosts control
- Pre-bled assembly simplifies setup and installation
- Durable mineral oil system resists fade and reduces maintenance
- Built for riders seeking precision control on technical descents
- Item #SHIU18H
- Lever
- aluminum
- Lever Adjustability
- tool-less reach adjust, free-throw
- Actuation
- hydraulic
- Caliper
- 4-piston
- Mount Type
- post
- Fluid
- mineral oil
- Rotor
- not included
- Includes
- metal pads
- Claimed Weight
- 410g
- Activity
- mountain biking
- Manufacturer Warranty
- 2 years
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