X-9 Bertil

All-round protection and low-speed ventilation for extreme ridersUltimate protection for the most demanding challenges

Named after the Godfather of Prowell, the X-9 Bertil is the best all-round safety helmet Prowell ever made. It broke the rules of the conventional safety helmet : the XPhere Concept accomplishes some awesome protection against all directions, while the Radial Ventilation system makes this helmet always cool without the need of speed.


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