Core Viewpoint - Beijing's market regulatory authorities have initiated a concentrated special governance campaign targeting illegal modifications and sales of electric bicycles since late July 2025, focusing on the "Five Modifications and Five Sales" violations [1] Group 1: Governance Actions - The campaign has led to the investigation of 30 cases of "Five Modifications and Five Sales" violations, resulting in fines totaling 156,300 yuan and the seizure of 173 illegal vehicles [4] - Authorities have dismantled two professional modification "black spots" to disrupt the circulation chain of illegally modified vehicles [4] - A total of 258 "over-standard vehicles" have been reported for removal, eliminating spaces for the sale of illegal vehicles [4] Group 2: Regulatory Measures - 216 electric bicycle certification certificates have been suspended, canceled, or revoked to prevent problematic models from being produced and sold nationwide [4] - Continuous monitoring of online sales platforms has led to the removal of 357 links related to illegal sales of electric bicycle modification parts and tutorials [4] Group 3: Case Examples - Case 1: Beijing Mengyu Haoke Trading Co., Ltd. was fined 50,000 yuan for replacing batteries inconsistent with product certificates and adding seats, violating local regulations [6] - Case 2: Beijing Hongshun Xinye Technology Co., Ltd. was fined 30,000 yuan for adding safety guards to electric bicycles, which compromised traffic safety [6] - Case 3: Beijing Haoyunfulai Electric Bicycle Sales Store was penalized for selling a model that failed to meet safety standards, violating product quality laws [7] Group 4: Consumer Warnings - The market regulatory authority has issued warnings to consumers about the dangers of illegally modified electric bicycles, highlighting risks such as electrical overloads, loss of control, and increased accident potential due to excessive brightness of modified headlights [7]