Dominion A2 Disc Brake

The Hayes Dominion A2 is optimized for cross country and trail riding, with a compact 2-piston caliper and a short finger lever (SFL).

• Low-effort lever input, coupled with high-fidelity power output for optimum braking feel and control
• Dominion A2 features the proprietary QuickBite² system for fast and consistent burnish
• Using a two-stroke dual port bleed system and Kevlar hose, the hydraulic system is engineered for ultimate performance across all temperatures and easy maintenance
• The Crosshair Caliper Alignment System dramatically simplifies caliper installment and alignment
• D-Series rotors, caliper adaptors and bleed kit sold separately