Hayes Dominion A4 Disc Brake Features
The Dominion four-piston hydraulic disc brake has been developed for the rigors of DH and enduro riding provide. 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.- The Dominion four-piston hydraulic disc brake has been developed for the rigors of DH and enduro riding provide. 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.
- Low-effort lever input, coupled with high-fidelity power output for optimum braking feel and control
- Pre-bled and assembled with Hayes K2 hose: The stiffest hose possible for maximum power and control transmission
- Brake includes two specific pad brake pads, intentionally developed to be paired with the new D-series rotor for fast, consistent burnish, predictable friction rate, and consistency across temperature and speed conditions
- Both pad compounds are included: Semi-Metallic T106 (standard) and Sintered T100 (wet conditions)
Product Specifications
Product Specifications
Adjustable Contact Point |
Yes |
Adjustable Reach |
Yes |
Brake Caliper Type |
Post Mount |
Brake Lever Actuation |
Hydraulic |
Brake Lever Use |
Left or Right |
Color |
Black/Bronze |
Designed for ebike |
Yes |
Hydraulic Fluid Type |
DOT |
Hydraulic Hose Length |
1000 |
Pad Compound |
Sintered |
Rotor Included |
No |
Weight |
296 |
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