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JUnit Dominion Brakes

Premium Performance: Youth Sized

Born from the frustration of the Hayes product development team when trying to find high-quality components for their kids, they went full gas into developing a legit line of youth products, reflecting and sharing attributes, ride quality, and performance functions built for adult riders. JUnit components feature youth sized 20” and 24” suspension, wheels, hydraulic brakes, and a unique handlebar/grip system, specifically tailored for youth-sized hands.
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Set Descending Direction

11 Item(s)

  1. JUnit Brake Builder

    As low as: US$612.35

    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
  2. JUnit Bike Builder

    From: US$25.98

    To: US$1,972.12

    Hayes Bicycle's range of junior specific performance parts, filling a unique niche in the industry

    JUnit is designed for junior riders to give them the performance, handling and safety they deserve

    JUnit Wheel Builders (20", 24" & 26") available here

    Learn More
  3. 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
  4. Hayes Dominion Bronze Brake Set Front

    From: US$306.18

    To: US$382.97

    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
  5. Hayes Dominion Bronze Brake Set Rear

    From: US$306.18

    To: US$382.97

    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
  6. 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
  7. D Series Brake Rotor 203 mm (Hayes)

    US$77.63

    Available on backorder

    203 mm (8") Rotor D series for Hayes Dominion
    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

    Learn More
  8. 180 mm (7") Rotor D series for Hayes Dominion
    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

    Learn More
  9. 160 mm (6") Rotor D series for Hayes Dominion
    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-K003

    Learn More
  10. Allows fitment of Shimano Ispec II/EV shifters to Hayes brakes

    Hayes Part Code: 98-36137-K001

    Learn More
  11. Dominion/SRAM Peacemaker Clamp (Hayes)

    US$54.59

    Available on backorder

    Allows fitment of SRAM Matchmaker shifters to Hayes brakes

    Hayes Part Code:  98-36137-K002 Learn More

Set Descending Direction

11 Item(s)