小牛电动（股票代码：NIU）今日盘中大跌5.10%，投资者对新的电动自行车国家标准实施后的市场影响表示担忧。
根据最新消息，2025年9月1日，新版《电动自行车安全技术规范》正式实施。新规要求电动自行车必须具备时速超25公里/小时自动断电功能，并加强了防篡改等多项安全要求。这一政策变化直接影响了小牛电动的产品线和定价策略。据报道，小牛电动部分车型已经上调价格，涨幅在几十元到400元不等。
虽然短期内老款车型销售出现热潮，但投资者可能担心新规将长期影响小牛电动的销量和利润。新标准要求的限速和防篡改措施可能降低产品对某些消费群体的吸引力，特别是对速度有较高要求的外卖配送员。此外，为满足新标准而进行的产品调整可能增加生产成本，进一步压缩利润空间。这些因素综合导致了投资者信心下降，引发了股价的显著下跌。
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