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    "generated_at": "2026-11-11T06:43:19+00:00",
    "post_type": "helmet",
    "metadata": {
        "id": 132280,
        "title": "Nolan N21 Visor Tech TC-1",
        "slug": "nolan-n21-visor-tech-tc-1",
        "url": "https://helmetsan.com/ja/helmets/nolan-n21-visor-tech-tc-1/",
        "language": "ja",
        "brand": "",
        "category": "Open Face",
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        "excerpt": "インナーバイザーを搭載し、N-Com通信システムに対応したアーバン向けオープンフェイスヘルメット。 The Nolan N21 Visor Tech TC-1 is engineered as a high-integrity Full Face protective system by Nolan, 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 deformation transfer into the internal multi-density EPS ... 続きを読む",
        "modified": "2026-09-21T06:12:27+05:30"
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    "specifications": {
        "brand": "N/A",
        "helmet_family": "N21 Visor",
        "material": "N/A",
        "weight_g": 1100,
        "weight_lbs": "2.43",
        "homologation_standard": "N/A",
        "sharp_rating": "",
        "rotational_tech": "N/A",
        "strap_type": "Double D-Ring",
        "noise_db_at_100kph": 0,
        "comms_ready": "Generic Speaker Cutouts",
        "head_shape": "Intermediate Oval"
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