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    "generated_at": "2026-11-11T09:55:36+00:00",
    "post_type": "helmet",
    "metadata": {
        "id": 40518,
        "title": "C91 Silver",
        "slug": "c91-silver-2",
        "url": "https://helmetsan.com/zh/helmets/c91-silver-2/",
        "language": "zh",
        "brand": "",
        "category": "Open Face",
        "featured_image": "",
        "excerpt": "HJC C91 带护目镜的开面盔。 The C91 Silver is engineered as a high-integrity Full Face protective system by HJC, 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 liner. ... 阅读更多",
        "modified": "2026-09-09T16:50:31+05:30"
    },
    "identifiers": {
        "sku": "HJC-HJCC91",
        "ean13": "4963125000600",
        "mpn": "C91-SILVER",
        "asin_us": "B07QKZV8YJ",
        "asin_status": "verified",
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    "specifications": {
        "brand": "N/A",
        "helmet_family": "C91",
        "material": "N/A",
        "weight_g": 1271,
        "weight_lbs": "2.8",
        "homologation_standard": "ECE 22.05",
        "sharp_rating": "4",
        "rotational_tech": "1",
        "strap_type": "Double D-Ring",
        "noise_db_at_100kph": 92,
        "comms_ready": "Generic Speaker Cutouts",
        "head_shape": "Intermediate Oval"
    },
    "variants": [],
    "compatible_motorcycles": [],
    "pricing": {
        "visitor_country": "US",
        "currency": "USD",
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