The 4S technology that offers cephalic protection composed with 4 sandwich elements and the new 4-points « Concept » harness joined forces to obtain the Speed’Air 4S Concept Mixt helmet !
Another GPA innovation !
The combination of 4S technology and the new rigid Global-Concept harness provides an additionnal cervical protection, a better helmet stability, an improved fitting and a greater comfort. The 4S CONCEPT ensures your safety, keeps the modern look of Redline helmets and adds a feeling of freedom by clearing the face.
Its machined aluminium magnetic buckle allows a fast and easy secure fastening.
Like all our helmets, it is finely handcrafted in our workshop in France and can be customized upon request.
The 4S CONCEPT is available in First lady 4S or Speed’air 4S and in full carbone versions.