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Dominion A4 Brakes (Hydraulic)
Making power is easy. Making power with the right feel, that was Hayes' challenge. Hayes 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. It features a cold-forged caliper and KingPin structural pad retention bolt.
With a motorsports inspired Two-Stroke dual port bleed system, industry leading DOT5.1 fluid and Kevlar hose, the hydraulic system is engineered for ultimate performance 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.
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Hayes Dominion A4 JUnit SFL Brake Set Front
US$292.37Order Now
Hayes new brake for 2020 - the Dominion A4 JUnit SFL
Learn More
SFL is a Small Form Lever - designed for the smaller hands of junior riders.
Junior version of the award winning Dominion A4
Four piston caliper with cross-hair alignment
Flippable lever with reach adjustment
Dead stroke is factory set
Pre-bled with short hose for rear use
Uses DOT 5.1 fluid
Fits 74 mm post mount brackets and adapters
Works best with Hayes D series rotors
Hayes Part Code: 95-36115-K051
Available direct from Shockcraft or via your local bike shop -
Hayes Dominion A4 JUnit SFL Brake Set Rear
US$292.37Order Now
Hayes new brake for 2020 - the Dominion A4 JUnit SFL
Learn More
SFL is a Small Form Lever - designed for the smaller hands of junior riders.
Junior version of the award winning Dominion A4
Four piston caliper with cross-hair alignment
Flippable lever with reach adjustment
Dead stroke is factory set
Pre-bled with long hose for rear use
Uses DOT 5.1 fluid
Fits 74 mm post mount brackets and adapters
Works best with Hayes D series rotors
Hayes Part Code: 95-36115-K052
Available direct from Shockcraft or via your local bike shop -
Dominion/Shimano I-Spec II Clamp (Hayes)
US$48.07In stock
Allows fitment of Shimano Ispec II shifters to Hayes brakes
Learn More
Hayes Part Code: 98-36137-K001 -
Dominion/SRAM Peacemaker Clamp (Hayes)
US$48.07In stock
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Hayes Dominion Lever Assembly
Includes master cylinder and lever blade
Lever is SFL type (Small Form Lever) for smaller hands
Same part for left and right
Lever blade can be swapped to larger size
Hayes Part Number: 98-36118-K101 Learn More
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