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        "excerpt": "都市部やクルーザーでの使用に適した、現代的な認証を取得したクラシックなオープンフェイスヘルメット。 The Marushin Speedster is engineered as a high-integrity Full Face protective system by Marushin, 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. Certified to ... 続きを読む",
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