Hayes' award winning Dominion A4 Brake
Stealth grey levers with matte black calipers and lever bodies
Optional add-on here if you want Limited Edition Hayes Purple levers instead of the Stealth grey levers
Standard lever size (BFL)
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
Stock brake hose is 5.5 mm diameter
For frames requiring a smaller diameter or longer hose we have the Jagwire brake hose (5 mm diameter, 3 metre length) & adapter option available
One 3 m Jagwire brake hose & quick-fit adapter kit is enough for one bicycle (brakes front & rear)

Use this brake builder to select the brakes, rotors, adapters that you need for easy fit to your bike

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Hayes' award winning Dominion Brake
Available as A4 (4 piston) or A2 (2 piston)
Bronze levers & calipers with black lever bodies
Optional add-on here if you want Limited Edition Hayes Purple levers instead of the bronze levers
Piston caliper with cross-hair alignment
Flippable lever with reach adjustment
Option of Standard (BFL) or Small Form Lever (SFL; designed for smaller hands)
Small Form Levers are designed for anyone with smaller hands (not just junior riders) - Ellen at Shockcraft/Biken uses SFL on her Dominion brakes
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
Stock brake hose is 5.5 mm diameter
For frames requiring a smaller diameter or longer hose we have the Jagwire brake hose (5 mm diameter, 3 metre length) & adapter option available
One 3 m Jagwire brake hose & quick-fit adapter kit is enough for one bicycle (brakes front & rear)

Use this brake builder to select the brakes, rotors, adapters that you need for easy fit to your bike

Learn More

The limited-edition Hayes Dominion T4 packs the power, sensitivity, and reliability the Dominion family is know for into its lightest chassis yet.
Dominion T4 features a Reynolds designed and in-house produced carbon-fibre lever, titanium hardware, composite reservoir cover, pads with aluminium backing plates and precise weight-reducing machining.

Front set with 100 cm K2 hose, rear seat with 180 cm K2 hose
Piston caliper with cross-hair alignment
Tooled pad contact adjustment
Flippable lever with tooled 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 - select your size
Stock brake hose is 5.5 mm diameter
For frames requiring a smaller diameter or longer hose we have the Jagwire brake hose (5 mm diameter, 3 metre length) & adapter option available
One 3 m Jagwire brake hose & quick-fit adapter kit is enough for one bicycle (brakes front & rear)

Use this brake builder to select the rotors & adapters that you need for easy fit of the Dominion T4 brakes to your bike Learn More

Hayes' award winning Dominion Brake is a now a whole range
4 piston (A4), 2 piston (A2), with levers for large or small hands.

Piston caliper with cross-hair alignment
Flippable lever with reach adjustment
Option of Standard (BFL) or Small Form Lever (SFL; designed for smaller hands)
Small Form Levers are designed for anyone with smaller hands (not just junior riders) - Ellen at Shockcraft/Biken uses SFL on her Dominion brakes
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
Stock brake hose is 5.5 mm diameter
For frames requiring a smaller diameter or longer hose we have the Jagwire brake hose (5 mm diameter, 3 metre length) & adapter option available
One 3 m Jagwire brake hose & quick-fit adapter kit is enough for one bicycle (brakes front & rear)

Use this brake builder to select the brakes, rotors, adapters that you need for easy fit to your bike

Learn More