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Dominion A4 Brakes
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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D Series Brake Rotor 180 mm (Hayes)
$98.60Available on backorder
180 mm (7") Rotor D series for Hayes Dominion
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Designed to minimise noise making harmonics
Works with all Hayes brakes
6 bolt mounting
Supplied with T25 mounting screws & T25 wrench
Hayes Part Code: 98-36153-K002 -
203 mm (8") Rotor D series for Hayes Dominion
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Designed to minimise noise making harmonics
Works with all Hayes brakes
6 bolt mounting
Supplied with T25 mounting screws & T25 wrench
Hayes Part Code: 98-36153-K001 -
Hayes brand new brake for 2018 - the Dominion A4
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Four piston caliper with cross-hair alignment
Flippable lever with reach adjustment
Dead stroke is factory set
Pre-bled with 90 cm hose for front use
Uses DOT 5.1 fluid
Fits 74 mm post mount brackets and adapters
Works best with Hayes D series rotors
Available direct from Shockcraft or via your local bike shop -
Hayes brand new brake for 2018 - the Dominion A4
Learn More
Four piston caliper with cross-hair alignment
Flippable lever with reach adjustment
Dead stroke is factory set
Pre-bled with 180 cm hose for rear use
Uses DOT 5.1 fluid
Fits 74 mm post mount brackets and adapters
Works best with Hayes D series rotors
Available direct from Shockcraft or via your local bike shop