Step 3: Mounting surface

Simple or complex?

Check if your helmet has a straight or complex mounting surface. Complex helmet geometries are characterized by one or more of the following features:

Does your helmet have...

  • ventilation slots,
  • a curved mounting surface,
  • a step between the fabric of the upholstery and the plastic frame
  • or fabric with quilted seams that make the mounting surface uneven

Straight, flat mounting surface:

If the mounting surface in your helmet is straight and has no uneven areas, then you can proceed with installation variant C.

Complex / uneven mounting surface:

Proceed with installation variant D if your helmet has a complex mounting surface.

Do you have questions about the right installation variant? Send us an email at or contact us directly via the contact form. We are happy to help you.

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