Hayes  Dominion A4 SFL Disc Brake and Lever Set

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Developed for downhill and enduro riding, the Hayes Dominion A4 SFL disc brake and lever set features a Small-Finger Lever (SFL) that's ergonomically tailored for riders with smaller hands.

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Features

  • Specific lever pull curve balances on-demand pressure modulation and provides firm engagement
  • Low-effort lever input and high-fidelity power output provide optimum braking feel and control
  • Master cylinder is factory-tuned for the shortest dead stroke possible and a crisp bite point
  • Lever has a flip-flop design and features tool-free reach adjustment for a customized fit and feel
  • Cold-forged 4-piston caliper is structurally rigid; KingPin pad retention bolt increases stiffness
  • With a 2-stroke dual port bleed system, 5.1 fluid and Kevlar® hose, the hydraulic system is engineered for easy maintenance and ultimate performance across all temperatures
  • Crosshair Alignment technology allows mechanics and riders to quickly and accurately set brake calipers
  • D-Series rotors, caliper adapters and bleed kit not included

Imported.

View all Hayes Disc Brake Calipers

Technical Specs

Best Use

Mountain Biking

Brake Mount

Post Mount

Number of Pistons

4 Pistons

Brake Lever Position

Right or Left

Adjustable Contact Point

Yes

Adjustable Reach

Yes

Hydraulic Fluid Type

DOT Brake Fluid

Pad Compound

Semi-Metallic

Material(s)

Aluminum

Weight

310 grams

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