Hayes Dominion A4 Disc Brake and Lever - Front - Black-Bronze

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keyboard_arrow_right Description

Hayes Dominion A4 Disc Brake and Lever - Front

Designed with a specific lever pull curve to balance on-demand pressure modulation, providing firm engagement between the pads and rotors, optimized for the world’s most demanding conditions and riders

  • Four piston brake developed specifically for the rigors of DH and enduro
  • Low-effort lever input (LoFi) for excellent braking feel and control
  • QuickBite2 specific pad compounds paired with the Hayes D-series rotors deliver fast, consistent braking performance across all temperature and speed conditions
  • Hayes K2 hose is contructed from woven Kevlar to provide the stiffest hose possible for maximum power transmission
  • Both pad compounds are included: Semi-Metallic T106 (standard) and Sintered T100 (wet conditions)
  • Uses DOT 5.1 brake fliud due to its high boiling point and consistency
  • Crosshair Caliper Alignment System – Dramatically simplifies caliper installment and alignment MRC (Modal Resonance Cancelation) – Rotor harmonic design cancels out noise and vibration translating into more consistent braking
  • Small Freaking Lever (SFL) Version: designed specifically for riders with smaller hands
  • Rotors and adapters sold separately
  • Brake Caliper Type: 74mm Post Mount
  • Adjustable Contact Point: Yes
  • Designed for ebike: Yes
  • Rotor: sold separately
  • Weight: 310g. (90cm hose and mount hardware)
  • Color: black/bronze

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