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    "generated_at": "2026-11-11T09:46:54+00:00",
    "post_type": "helmet",
    "metadata": {
        "id": 85858,
        "title": "R2 Carbon Vortex Grey",
        "slug": "r2-carbon-vortex-grey",
        "url": "https://helmetsan.com/ja/helmets/r2-carbon-vortex-grey/",
        "language": "ja",
        "brand": "",
        "category": "Track/Race",
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        "excerpt": "Schuberth初の、カーボンシェルとMIPSを採用した純粋なレーシングヘルメット。 The R2 Carbon Vortex Grey is engineered as a high-integrity Full Face protective system by Schuberth, utilizing a structural shell constructed from Carbon Fiber. This structural layup is engineered to provide progressive kinetic energy dissipation during impact deceleration, distributing localized shock across outer lamina layers while minimizing deformation transfer into the internal multi-density EPS ... 続きを読む",
        "modified": "2026-09-20T00:57:13+05:30"
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    "specifications": {
        "brand": "N/A",
        "helmet_family": "R2 Carbon",
        "material": "N/A",
        "weight_g": 1311,
        "weight_lbs": "2.89",
        "homologation_standard": "FIM / ECE R22.06",
        "sharp_rating": "5",
        "rotational_tech": "1",
        "strap_type": "Double D-Ring",
        "noise_db_at_100kph": 89,
        "comms_ready": "Generic Speaker Cutouts",
        "head_shape": "Long Oval"
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    "variants": [],
    "compatible_motorcycles": [],
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