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DOT-5.1 Hydraulic Brake Fluid

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DOT-5.1 Hydraulic Brake Fluid

Give your Hayes disc brakes a fresh bleed with some of its original equipment DOT-5.1 Hydraulic Brake Fluid. By adhering to the DOT 5.1 standard, it means that the fluid is regulated and is currently the highest performing brake fluid available. It achieves the highest wet and dry boiling point of any brake fluid allowing for stable viscosity across its operating temperature range for consistent braking throughout your ride.


  • Brake fluid for Hayes hydraulic brakes
  • DOT 5.1 fluid has a higher boiling point than DOT 3 or 4 fluid
  • Ideal size for annual bleeds or shortening hoses
  • Item #HAY000A
DOT 5.1 brake fluid
Recommended Use
bleeding disc brakes