Disc Brake Assembled Set/J-kit, XT
Best high-performance upgrade for serious mountain bikers seeking reliable stopping power.
These brakes offer a massive jump in stopping power over previous generations, delivering a level of confidence that transforms technical descents. While the setup requires a bit more precision during installation, the result is a remarkably consistent, heat-resistant feel that makes you forget you’re even braking.
$209.99
Who it's for
- Aggressive riders needing precise control on technical descents
- Mechanics and riders who value easy, infrequent maintenance
- Cyclists who prioritize personalized lever feel and fit
Who should skip it
- Budget-conscious riders seeking value over top-tier performance
- Riders who prefer low-maintenance, set-it-and-forget-it components
- Downhill racers demanding absolute consistency in extreme conditions
Performance breakdown
Stopping Power
Delivers aggressive, immediate bite that inspires confidence on steep, technical descents.
Heat Management
Ceramic pistons effectively dissipate heat during long, sustained braking efforts.
Ergonomics
Shortened lever blade offers a natural, intuitive feel for one-finger braking.
Modulation
Provides a predictable, progressive curve that prevents accidental wheel lockups.
Installation Ease
J-kit system simplifies routing through internal frames without messy fluid spills.
Cockpit Integration
I-Spec compatibility keeps your handlebar setup clean and clutter-free.
Key Specs
Lever Model
BL-M8100(L)
Caliper Model
BR-M8100(R)
Power Rating
110%
Lever Type
1.5 finger
Piston Type
Oversized ceramic piston (opposed 2-piston type)
Pad Compound
Resin pad compound with alloy backing plate (standard) / Metal pad with fin included
Hose Length
1700MM (SM-BH90-SBM BLACK)
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