Hayes MX Expert Mechanical Disc Brake
Cable activated (works with V brake levers)
Fits standard 74 mm post mounts, adapters & rotors
Easily adjusted, simple, reliable and powerful

Hayes Part Code: 98-31823

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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

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Hayes' award winning Dominion brake
Available as A4 (4 piston) or A2 (2 piston)
Bronze lever & caliper with black lever body
Optional add-on here if you want Limited Edition Hayes Purple levers instead of the bronze levers
Front set with shorter (100 cm) hose
Piston caliper with cross-hair alignment
Flippable lever with tooled reach adjustment
Option of Regular (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
Lifetime Leak-Proof Warranty - covers master cylinder and caliper
Pre-bled with 100 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 our Dominion Brake Builder to purchase your Hayes Dominion brake with rotors & adapters Learn More

Hayes' award winning Dominion brake
Available as A4 (4 piston) or A2 (2 piston)
Bronze lever & caliper with black lever body
Optional add-on here if you want Limited Edition Hayes Purple levers instead of the bronze levers
Rear set with longer (180 cm) hose
Piston caliper has cross-hair alignment
Flippable lever with tooled 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
Lifetime Leak-Proof Warranty - covers master cylinder and caliper
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
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 our Dominion Brake Builder to purchase your Hayes Dominion brake with rotors & adapters Learn More

Allows fitment of Shimano Ispec II/EV shifters to Hayes brakes

Hayes Part Code: 98-36137-K001

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Allows fitment of SRAM Matchmaker shifters to Hayes brakes

Hayes Part Code:  98-36137-K002 Learn More

Hayes Dominion Lever Assembly
Includes master cylinder and lever blade
Lever is SFL type (Small Form Lever) 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
Same part for left and right
Lever blade can be swapped to larger size
Width of SFL blade is 11.5 mm (BFL blade is 15 mm wide)

Hayes Part Number:  98-36118-K101 Learn More

Replacement Small Form Lever (SFL) for Dominion brakes, A2 or A4
Small Form Levers are designed for anyone with smaller hands (not just junior riders) - Ellen at Shockcraft/Biken uses SFL on her Dominion brakes
Flippable lever, will fit left or right side
Bronze
Lever only
Width of SFL blade is 11.5 mm (BFL blade is 15 mm wide)

Hayes Part Code: 98-36117-K101 Learn More

Brake pads for Hayes CX, MX and Sole brakes (Hayes)
T125 semi-metallic compound
Shape resembles a table tennis paddle

Hayes Part Code: 98-28142

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160 mm (6") Rotor V series for Hayes brakes
Heavy duty version
Works with all Hayes brakes
6 bolt mounting
Supplied with T25 mounting screws & T25 wrench

Hayes Part Code: 98-17551

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180 mm (7") Rotor V series for Hayes brakes
Heavy duty version
Works with all Hayes brakes
6 bolt mounting
Supplied with T25 mounting screws & T25 wrench
Hayes Part Code: 98-18638

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160 mm (6") Rotor L series for light weight application
Works with all Hayes brakes
6 bolt mounting
Supplied with T25 mounting screws & T25 wrench

Hayes Part Code: 98-28061-K001 Learn More

Disc Brake Adapter +20mm
Fits 160 mm Post mount (standard 74 mm spacing).
Adapts to fit 180 mm disc rotor
Also adapts 140mm to 160mm.

Hayes Part Code: 98-32223

Works with disc brakes and forks from all manufacturers Learn More

Disc brake mount adapter
Fits 51 mm IS mount rear bracket & adapts to 74 mm post mount for 203 mm rotor
Markings: 74-23, FWD

Hayes Part Code: 98-15074

Works with disc brakes and forks from all manufacturers Learn More

Disc brake mount adapter
Fits 51 mm IS mount rear bracket & adapts to 74 mm post mount for 180 mm rotor
Fits 51 mm IS mount front bracket & adapts to 74 mm post mount for 200 mm rotor
Markings: R180, IS, 33

Hayes Part Code: 98-18642

Works with disc brakes and forks from all manufacturers Learn More

Disc brake mount adapter
Fits 51 mm IS mount front bracket & adapts to 74 mm post mount for 180 mm rotor
Fits 51 mm IS mount rear bracket & adapts to 74 mm post mount for 160 mm rotor
Markings: UP, 32

Hayes Part Code: 98-18640

Works with disc brakes and forks from all manufacturers Learn More

Disc brake adapter
Fits 160 mm Post mount (standard 74mm spacing)
Adapts to fit 203 mm disc rotor
Markings UP, 74-21, J
Hayes Part Code: 98-15072

Works with disc brakes and forks from all manufacturers

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Disc brake mount adapter
Fits 51 mm IS mount front bracket & adapts to 74 mm post mount for 180 mm rotor
Fits 51 mm IS mount rear bracket & adapts to 74 mm post mount for 160 mm rotor
Markings: 74-26

Hayes Part Code: 98-15073

Works with disc brakes and forks from all manufacturers

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Disc Brake Adapter
Fits 180 mm Post mount (standard 74 mm spacing)
Includes 2X M6 x 13 bolts
Adapts to fit 203 mm disc rotor
Markings 203, PM7,39

Hayes Part Code: 98-30027

Works with disc brakes and forks from all manufacturers

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Disc brake mount adapter
Fits 51 mm IS mount front bracket & adapts to 74 mm post mount for 160 mm rotor
Fits 51 mm IS mount rear bracket & adapts to 74 mm post mount for 140 mm rotor
Markings: F160, R140, IS, 38

Hayes Part Code: 98-15068

Works with disc brakes and forks from all manufacturers Learn More

DOT 4 bleed kit for all Hayes brakes except Radar
Includes luer-lock syringes, M5 bleed fittings, tubing, brass olives, 118 cc of Hayes DOT 4 oil & a bleed block
Comes in a tough reusable Sterilite container

Hayes Part Code: 98-23572

Fluid and fittings also work with other brakes using DOT 3,4 or 5.1 fluid and standard M5 fittings

Do not use this kit with mineral oil brakes Learn More

Feeler gauge tool for brake setup
Accurately sets caliper alignment to rotor
Folds away for storage

Hayes Part Code: 98-23972

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Replacement pads for Hayes Dominion A2 brakes with 2 piston calipers
T106 semi metallic compound for quiet performance

Hayes Part Code: 98-36141-K102 Learn More

Replacement pads for Hayes Dominion A4 brakes with 4 piston calipers
T106 semi metallic compound for quiet performance

Hayes Part Code: 98-36141-K002

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Replacement pads for Hayes Mag & HFX brakes using G1 and G2 calipers
T100 sintered metallic compound for excellent life, power and fade resistance

Hayes Part Code: 98-14531

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