GPA 4S Speed Air Hybrid riding helmet
Code: 518838-13 518838-18 518838-10 518838-11 518838-14 518838-15 518838-16 518838-17 518838-19 518838-3 518838-8 518838-1 518838-2 518838-4 518838-5 518838-6 518838-7 518838-9 518838-20 Choose variant
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Product detailed description
Unparalleled damping
The outer shell, made of absorbent polymer, absorbs the first part of the shock by deforming.
The 2nd layer takes up the energy of the impact and absorbs it.
The 3rd layer, made of fibreglass, ensures the rigidity of the entire helmet to avoid lateral compression.
The 4th layer is the polystyrene shell which completes the deceleration of the shock by crumpling under the impact, thus protecting the cranial vault from brain injuries.
An optimal ventilation system
Thanks to its numerous front and side vents and its rear outlets, this helmet offers maximum ventilation.
Unparalleled comfort
This new one-piece, and removable, liner is washable and can be replaced if needed. The soft and fluffy inner has been been given an antibacterial treatment.
Better neck protection and increased hold
The classic chinstrap is replaced by a hybrid system, a new exclusive from GPA. A cross between the twin lock system and the traditional chinstrap, its rear part is made of thermoplastic resin and incorporated fibreglass fabric. Its nylon straps, covered with synthetic leather, fasten by means of a two-part buckle. Thanks to its rigid part at the back which extends the shell, this hybrid chinstrap guarantees more extensive protection and better support for the helmet on the head. Its more affordable price and design will win over the more conventional riders as well.
The outer shell, made of absorbent polymer, absorbs the first part of the shock by deforming.
The 2nd layer takes up the energy of the impact and absorbs it.
The 3rd layer, made of fibreglass, ensures the rigidity of the entire helmet to avoid lateral compression.
The 4th layer is the polystyrene shell which completes the deceleration of the shock by crumpling under the impact, thus protecting the cranial vault from brain injuries.
An optimal ventilation system
Thanks to its numerous front and side vents and its rear outlets, this helmet offers maximum ventilation.
Unparalleled comfort
This new one-piece, and removable, liner is washable and can be replaced if needed. The soft and fluffy inner has been been given an antibacterial treatment.
Better neck protection and increased hold
The classic chinstrap is replaced by a hybrid system, a new exclusive from GPA. A cross between the twin lock system and the traditional chinstrap, its rear part is made of thermoplastic resin and incorporated fibreglass fabric. Its nylon straps, covered with synthetic leather, fasten by means of a two-part buckle. Thanks to its rigid part at the back which extends the shell, this hybrid chinstrap guarantees more extensive protection and better support for the helmet on the head. Its more affordable price and design will win over the more conventional riders as well.
Helmet shell 1: Sizes 53 - 56 cm
Helmet shell 2: Sizes 57 - 61 cm
Helmet shell 2: Sizes 57 - 61 cm
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