{
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    "@type": "Product",
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    "generated_at": "2026-11-10T20:27:22+00:00",
    "post_type": "helmet",
    "metadata": {
        "id": 104258,
        "title": "SM5 Racer TC-2",
        "slug": "sm5-racer-tc-2",
        "url": "https://helmetsan.com/zh/helmets/sm5-racer-tc-2/",
        "language": "zh",
        "brand": "",
        "category": "Dirt/MX",
        "featured_image": "",
        "excerpt": "经济实惠的 Alpinestars MX 越野头盔，配备多密度 EPS。 The SM5 Racer TC-2 is engineered as a high-integrity Full Face protective system by Alpinestars, utilizing a structural shell constructed from Polymer. 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 ... 阅读更多",
        "modified": "2026-09-20T11:33:11+05:30"
    },
    "identifiers": {
        "sku": "ALP-ALPINE",
        "ean13": "8057641223000",
        "mpn": "SM5-RACER-TC2",
        "asin_us": "B09TQWZ8K3",
        "asin_status": "verified",
        "regions_covered": 22,
        "amazon": {
            "us": {
                "asin": "B09TQWZ8K3",
                "status": "verified"
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    },
    "specifications": {
        "brand": "N/A",
        "helmet_family": "SM5",
        "material": "N/A",
        "weight_g": 1453,
        "weight_lbs": "3.2",
        "homologation_standard": "DOT, ECE 22.05",
        "sharp_rating": "4",
        "rotational_tech": "None",
        "strap_type": "Double D-Ring",
        "noise_db_at_100kph": 99,
        "comms_ready": "Generic Speaker Cutouts",
        "head_shape": "Intermediate Oval"
    },
    "variants": [],
    "compatible_motorcycles": [],
    "pricing": {
        "visitor_country": "US",
        "currency": "USD",
        "best_price": "$0.00",
        "best_price_raw": 0,
        "offers": [
            {
                "marketplace": "amazon-us",
                "price": 0,
                "currency": "USD",
                "availability": "unknown"
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    "reviews": {
        "average_rating": 0,
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    "_tier": "bot"
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