casque Roost noir mat - Giant Bicycles | France

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    casque Roost noir mat

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    With its modern style, comfortable fit, and features made specifically for trail riding, Roost is a great choice for aspiring off-road adventurers. 

    Caractéristiques

    • Système de sangles LiteForm
    • Système de réglage Giant Cinch Pro™
    • Construction InMold
    • Mousses TransTextura™
    • 17 aérations et compatible fixation GoPro
    • Tailles S-M-L (51-55/55-59/59-63cm)

    Points importants

    The new Roost helmet features a trail-specific design and technologies, including extended rear coverage, an adjustable visor and integrated mounts for a camera and lights. 

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    Technologies

    Brain Protection System

    MIPS is a patented brain protection system designed to reduce rotational motion ...

    Brain Protection System

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    BRAIN PROTECTION SYSTEM

    BRAIN PROTECTION SYSTEM Image

    MIPS is a patented brain protection system designed to reduce rotational motion from angled impacts that can cause strain in the brain. MIPS mimics the brain’s own protection system inside the skull by adding a low-friction layer between the head and helmet. A helmet with MIPS can absorb more rotational motion from an angled impact.

    Brain Protection System

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    MIPS REDUCES STRAIN TO THE BRAIN

    MIPS REDUCES STRAIN TO THE BRAIN Image

    The MIPS patented Brain Protection System was developed by some of the world’s leading researchers in biomechanics and neuroscience at the Royal Institute of Technology (KTH) and the Karolinska Institute in Sweden.

    Strain level images from lab tests where two identical helmets, one with MIPS and one without, tested at the same speed show a clear difference. The more red, the more strain in the brain. A helmet with MIPS reduces the rotational motion transmitted to the brain.

    Brain Protection System

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    How MIPS helmets are tested

    Brain Protection System

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    WHAT HAPPENS ON IMPACT?

    WHAT HAPPENS ON IMPACT? Image

    When the head is subjected to an angled impact, the brain slides along a membrane on the inner surface of the skull, which reduces the rotational motion transmitted to the brain. This dynamic was copied and technically applied to create the MIPS Patented Brain Protection System. It is a low-friction layer between the head and helmet, which in experimental and numerical tests has shown a reduction of rotational motion to the brain.

    Brain Protection System

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    PROTECTION IN ALL HELMET CATEGORIES

    PROTECTION IN ALL HELMET CATEGORIES Image

    In a helmet with MIPS Brain Protection System the shell and the liner are separated by a low friction layer. When a helmet with MIPS Brain Protection System is subjected to an angled impact, the low friction layer allows the helmet to slide relative to the head. The MIPS Brain Protection System doesn’t interfere with other properties of helmets, such as design and comfort. Since 1996, research and tests have been performed to compare a helmet with the MIPS Brain Protection System to a conventional helmet. The results showed that it was possible to reduce the rotational motion transmitted to the brain by adding the MIPS Brain Protection System.

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