H-Black MR4 Dynamo

HERRMANS® H-Black MR4 is yet another of our front lights that combines sophisticated technology and modern design. The front lights in the H-Black series are already well-known for their harmonious design and smooth integration of electronic and optical elements. The H-Black MR4 uses a mirror reflector, giving off a light output up to 100/120 lumens. The most affordable light in the series, this front light is available for both e-bikes and dynamos. The dynamo version is available with both on or off stand light. The H-Black MR4 has 12 different assembly options, ensuring easy mounting on all kinds of bikes.

Read more
Not all products are available in all markets. During continuous improvement specifications and design are changing. All values are nominal values. Illustrations do not necessarily show the design of every version and some features are version specific.

Key Features

  • Side windows for visibility
  • Affordable high quality light
  • Click-in EIA, K Front reflector included

Assembly Options

Click to zoom

Multi-joint bracket

Stem bracket

Standard plastic bracket

Handlebar bracket

RockShox paragon

Stainless steel for suspension fork, short, steel och black

SR Suntour Ver1, fork bridge: CR8, NEX, NCX-E

SR Suntour Ver2, fork bridge: CR-9, NCX-D

SR Suntour Ver3, fork bridge: NCX mobie-E25, E45

Technical Data

Operational Lumens Output100lm
Power SourceDynamo
Nominal Voltage AC6V
Power Consumption2W
Input connector typeCable
Output connector type0,5 x 2,8mm cableshoes
Number of LED's1
Colour Temperature5000K
Optical SystemMirror
Stand LightYes
Operating modesOn/Off
Mounting OptionsFork / Handlebar
Salt Spray TestISO 9227 NSS 240H
Type approval (light)Germany (StVZO), France (TP LBi)
Type approval (reflector)E-IA, K
Packaging Amount72 pce/box, Approx. 5,5 kg total.

Light Patterns

Click to zoom


Click to zoom