出了事故，参与的商家也要担责

Core Viewpoint - The article highlights the dangers posed by illegally modified electric bicycles, emphasizing the safety risks to both riders and pedestrians, and the potential legal liabilities for businesses involved in such modifications [1][2]. Group 1: Incident Overview - An accident occurred in July last year at the intersection of Zuyun West Road and Zunyi Road in Changning District, where an electric bicycle collided with a pedestrian, resulting in injuries to the pedestrian [1]. - The rider of the electric bicycle was found to have run a yellow light while exceeding the legal speed limit of 25 kilometers per hour due to illegal modifications [1]. Group 2: Legal and Regulatory Actions - Law enforcement promptly identified the shop responsible for the illegal modifications and collected evidence [2]. - The rider was deemed primarily responsible for the accident due to speeding and running a yellow light, while the pedestrian bore secondary responsibility for crossing against a red light [2]. - The shop that modified the bicycle was also held partially responsible and will face civil liability for damages, with the case being referred to market regulatory authorities for further action [2].