- Making power is easy. Making power with the right feel, that was our challenge. We did this by creating an all-new system.
Dominion’s master cylinder is factory tuned for the shortest dead stroke possible and a crisp bite point. The Dominion A4 caliper utilizes four 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.
- Cartridge-bearings used in the brake lever
- Aluminum piston operates smoothly across operating temperatures
- Piston glide ring technology pioneered in suspension forks
- Caliper: Two Stroke Dual caliper bleed ports for maximum bleed integrity
- KingPin Structural caliper pad pin
- Crosshair Caliper Alignment System: Dramatically simplifies caliper installment and alignment
- Patented Crosshair caliper alignment screws
- Allows mechanics and end users to quickly and accurately set brake caliper with no rubbing of the rotor on the pads
- Eliminates guesswork and trial and error
- Makes set up process quick and easy for out of the box build
- QuickBite² Offers riders the shortest path to high performance
- Fast, consistent burnish
- Predictable performance
- Quiet
- Lenght brake hose: Front / 1000 mm, Rear / 1800mm
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1 reviews for Hayes Dominion A4 disc brake black/bronze with an average rating of 5/5 points.- Amazing brakes, especially modulation
I've heard great things about these brakes.
I'm a bigger guy and a friend of mine who is also a large dude said the modulation and stopping power of these brakes are awesome, so I'm going to buy a pair. I'll be putting on a 203mm rotor on the front and 180mm on the rear.
★★★★★ TimW
- Amazing brakes, especially modulation
- without rotor and adapter
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