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        "title": "Leatt MTB 4.0 V21 Matte Black",
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        "category": "Full Face",
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        "excerpt": "适用于耐力越野和山地速降的超轻全盔。 The Leatt MTB 4.0 V21 Matte Black is engineered as a high-integrity Full Face protective system by MT Helmets, 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 ... 阅读更多",
        "modified": "2026-09-18T00:00:20+05:30"
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        "helmet_family": "MTB 4.0 V21",
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        "rotational_tech": "1",
        "strap_type": "Double D-Ring",
        "noise_db_at_100kph": 88,
        "comms_ready": "Generic Speaker Cutouts",
        "head_shape": "Intermediate Oval"
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