Hayes Dominion, our award-winning A4 brakes available in Stealth Black or Bronze – adding even more ways for you to stop!
Dominion's master cylinder is factory tuned for the shortest dead stroke possible and a crisp bite point. The Dominion A4 caliper utilizes four Ø17mm pistons in the most structurally rigid design possible. It features a cold-forged caliper and KingPin structural pad retention bolt that increases stiffness.
With a motorsports-inspired Two-Stroke dual port bleed system, industry-leading DOT 5.1 fluid and Kevlar hose, the hydraulic system is engineered for ultimate performance across all temperatures and easy maintenance.
Dominion A4 features the proprietary QuickBite² system for fast and consistent burnish, coupled with our D-Series rotor to manage the heat with less braking noise.
Also available in SRL (Short Reach Lever) - ergonomically designed for the smaller hand or short reach level positioning.
FEATURES
- Low Input - High Fidelity (LoFi)
- Low effort system with predictable, progressive ramp up and a crisp bite point.
- Loaded With Tech:
- Reduced Friction - A feather light lever feel is achieved through a combination of an added glide ring on the piston and sealed ball bearings at the lever blade pivot
- SRL - Our Stable Rate Link delivers a consistent lever ratio regardless of reach
- Precise Engagement - Each Dominion is factory set to have the lowest dead stroke possible and a crisp bite point.
- Built to last - Metal pistons are used to ensure that no matter the terrain or temperature your brake will continue to perform as it did on the first ride
- Adjustable Reach - Adjust your lever reach with ease while on the trail thanks to an intuive adjustment knob design
- Reduced Friction - A feather light lever feel is achieved through a combination of an added glide ring on the piston and sealed ball bearings at the lever blade pivot
- Modal Resonance Cancellation (MRC)
- FEA-optimized modal shapes of D-Series rotors are intentionally designed to oppose those of Semi-Met T106 and Sintered T100 pads, canceling out noise and vibration.
