requirements and limitations
examples of COMPATIBLE helmets
Full face

100% COMPATIBLE
Open face

100% COMPATIBLE
Flip-up

100% COMPATIBLE
examples of NOT COMPATIBLE helmets
NOT COMPATIBLE

The visor is too curved.
NOT COMPATIBLE

Dirt bike helmets have goggles instead of a visor.
NOT COMPATIBLE

The visor is W-shaped, and the cut at the nose section is too high, leaving insufficient space for the BIKERGUARD blade.