Hayes

Master Cylinder Reservoir Cap Dominion, Black

The Hayes Master Cylinder Reservoir Cap for the Dominion brake series keeps your brake system sealed, protected, and performing at its best. Built to the same precision standards as the rest of the Dominion lineup, this cap maintains hydraulic integrity and ensures consistent braking power ride after ride. Whether replacing a worn component or finishing up a full brake rebuild, it’s a small part that makes a big difference in reliability.

• Designed for Hayes Dominion brakes – ensures perfect fit and factory-level performance.
• Durable construction – resists wear and corrosion for long-term dependability.
• Maintains hydraulic seal – keeps fluid where it belongs and your braking consistent.
• Clean, black finish – blends seamlessly with modern cockpit setups.

A simple, essential part that helps keep your Dominion brakes feeling crisp and responsive—because confidence starts with control.