Hayes Dominion A2 SFL Disc Brake and Lever - Front Hydraulic Post Mount Stealth Black/Gray. 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