Hayes Dominion A4 4-Piston Disc Brakes

Sale price
$249.99
Option:Front/Rear (Black/Grey)
This item is temporary out of stock

Shipping Information

Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.

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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
  • Features a cold-forged caliper and KingPin structural pad retention bolt that increases stiffness.
  • Utilizes 17mm Pistions for maximum rigidity
  • 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
  • Flip-Flop Lever Orientation. Can be used for front or rear
  • Small Reach Lever (SRL) 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)

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