“异形”改装被查！明起电动车新规生效，防改装限超速

Core Viewpoint - The new national standard for electric bicycles will be implemented on September 1, 2025, aiming to curb illegal modifications and enhance safety measures [4][20]. Group 1: New National Standard Implementation - The new mandatory national standard, "Safety Technical Specifications for Electric Bicycles" (GB 17761—2024), will officially take effect on September 1, 2025 [4]. - The standard includes improved anti-tampering requirements for battery packs, controllers, and speed limiters, which is expected to address illegal modifications at the source [6][12]. Group 2: Risks of Illegal Modifications - Illegal modifications of electric bicycles are prevalent, often aimed at increasing speed or enhancing aesthetics, which poses significant safety risks [3][6]. - Modifications can alter the weight and handling of the vehicle, leading to potential loss of control and accidents [7]. - A tragic incident involving modified electric bicycles resulted in the death of two students, highlighting the dangers associated with such alterations [8]. Group 3: Technical Specifications of the New Standard - The new standard maintains a maximum design speed of 25 km/h, with an innovative "speed cut-off" mechanism that stops the motor when this speed is exceeded [8]. - Anti-tampering measures include prohibiting modifications to the controller and speed limiter, ensuring that they cannot be altered to exceed safety limits [12][13]. Group 4: Transition Period and Consumer Guidance - There will be a three-month sales transition period for electric bicycles produced under the old standard, allowing sales until November 30, 2025 [14]. - Consumers are advised to look for CCC certification and product quality certificates when purchasing electric bicycles to ensure compliance with the new standards [15][17].