Ventilation System - Grex G4.1 Sécurité Et Instructions D'utilisation

- Rinse with cold water and allow drying at room temperature, away from direct
sunlight.
- Never machine-wash the inner comfort padding.
- The inner polystyrene is an easily deformable material. It is apt to change or get
partially destroyed to help absorb shocks.
- Do not modify or alter the helmet's internal polystyrene components in any way.
- Clean the inner components with a damp cloth only and allow it to dry at room
temperature away from direct sunlight.
- Never use tools or equipment of any sort to carry out the steps described
above.

VENTILATION SYSTEM

The ventilation system of the Grex G4.1 helmet consists of:
Front air intake:
front air intake, push the slider towards the back of the helmet. To close the front air
intake, pull the slider towards the front of the helmet (Fig. 17).
Rear extractors:
inside the helmet (Fig. 18).
it allows conveying and distributing air into the shell. To open the
allow warm and stale air to flow out, ensuring an optimum comfort
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