Herrmans

H-Black MR4/8/Pro Dynamo, Back Cover w/ On/Off Switch

The Herrmans H-Black MR4/8/Pro Dynamo Back Cover with On/Off Switch keeps your headlight protected and performing like new. Designed as a precision replacement part, it restores the durability and function of your Herrmans H-Black light system, ensuring consistent illumination on every ride.

Whether you're replacing a worn-out cover or upgrading your setup, this back cover’s integrated on/off switch adds easy control right where you need it—no fumbling with wires or toggles mid-ride. Built to match the original fit and finish, it installs cleanly and securely for long-lasting reliability on commutes, gravel adventures, or urban rides.

Key Features:

• Compatible with Herrmans H-Black MR4, MR8, and Pro Dynamo headlights
• Includes integrated on/off switch for quick control
• Restores full functionality and protection to your light housing
• Durable construction built for daily riding and all-weather use
• Easy-to-install design for a perfect fit and finish

Keep visibility high and performance steady—this genuine Herrmans replacement part is the smart fix to keep your lighting system running strong.