Hayes Dominion A-Series Master Cylinder + Lever
Best high performance upgrade for mountain bikers seeking superior lever feel.
A vital restoration component for high-performance hydraulic braking systems. This assembly restores factory-level responsiveness and control, ensuring reliable stopping power for demanding trail conditions without requiring a full brake system overhaul.
$149.99
at
The Devil's Gear
More Dominion options
Who it's for
- Riders seeking the most effortless and consistent braking modulation available
- Mountain bikers who frequently fine-tune their cockpit setup on the trail
- Enduro and downhill racers requiring reliable stopping power under pressure
Who should skip it
- Home mechanics who prefer universal tools and simplified maintenance routines
- Weight-conscious racers prioritizing every gram over ultimate lever feel
- Custom bike builders wanting specific anodized colors to match their frame
Performance breakdown
Lever Modulation
Provides exceptional control and feedback during technical, high-speed descents.
Installation Versatility
Ambidextrous design simplifies setup and streamlines cockpit configuration.
Build Durability
Robust construction withstands the rigors of aggressive trail riding.
System Compatibility
Seamless integration with existing Dominion A-series hydraulic disc systems.
Ergonomic Feel
Refined lever shape offers comfortable, fatigue-free braking for long rides.
Maintenance Ease
Straightforward replacement process restores factory-level performance without complex servicing.
Key Specs
Compatibility
Dominion A4 & A2 Disc Brakes
Orientation
Ambidextrous
Color
Black/Bronze
Brake System Type
Hydraulic Disc
Part Number
98-36118-K001
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