[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

儿童骑行头盔重量建议控制在250g以内,重量过大会导致颈部疲劳和佩戴前倾。头盔越轻越舒适,但一体成型(in-mold工艺)的轻量款通常比拼接款更贵;日常通勤选拼接款也足够安全

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