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    "generated_at": "2026-10-26T01:28:12+00:00",
    "post_type": "helmet",
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        "title": "GMax AT-21S Hi-Viz Yellow",
        "slug": "gmax-at-21s-hi-viz-yellow-4",
        "url": "https://helmetsan.com/fr/helmets/gmax-at-21s-hi-viz-yellow-4/",
        "language": "fr",
        "brand": "",
        "category": "Adventure/Dual Sport",
        "featured_image": "",
        "excerpt": "Casque adventure avec écran solaire intégré et visière amovible. The GMax AT-21S Hi-Viz Yellow is engineered as a high-integrity Full Face protective system by GMax, utilizing a structural shell constructed from Polycarbonate. This structural layup is engineered to provide progressive kinetic energy dissipation during impact deceleration, distributing localized shock across outer lamina layers while minimizing ... Lire la suite",
        "modified": "2026-09-10T16:23:31+05:30"
    },
    "identifiers": {
        "sku": "GMA-AT21-YEL",
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        "regions_covered": 22,
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    "specifications": {
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        "helmet_family": "AT-21S",
        "material": "N/A",
        "weight_g": 1650,
        "weight_lbs": "3.64",
        "homologation_standard": "DOT",
        "sharp_rating": "",
        "rotational_tech": "None",
        "strap_type": "Double D-Ring",
        "noise_db_at_100kph": 92,
        "comms_ready": "Generic Speaker Cutouts",
        "head_shape": "Intermediate Oval"
    },
    "variants": [],
    "compatible_motorcycles": [],
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