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    "generated_at": "2026-11-10T23:52:21+00:00",
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        "id": 25656,
        "title": "莱特山地自行车 4.0 V21 鲜黑色",
        "slug": "leatt-mtb-4-0-v21-matte-black-stale-25656",
        "url": "https://helmetsan.com/zh/helmets/leatt-mtb-4-0-v21-matte-black-stale-25656/",
        "language": "zh",
        "brand": "",
        "category": "Full Face",
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        "excerpt": "超轻量全脸头盔，适用于越野和山地下坡骑行。 The 莱特山地自行车 4.0 V21 鲜黑色 is engineered as a high-integrity Full Face protective system by Leatt, 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 ... 阅读更多",
        "modified": "2026-06-13T09:36:28+05:30"
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    },
    "specifications": {
        "brand": "N/A",
        "helmet_family": "MTB 4.0 V21",
        "material": "N/A",
        "weight_g": 980,
        "weight_lbs": "2.16",
        "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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    "compatible_motorcycles": [],
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