In our daily life, "mobile phone phubbing" more and more, through the media related reports, many people know that driving to use mobile phones is illegal, do not know that driving non-motor vehicles to use mobile phones also have greater security risks. In order to effectively eliminate hidden dangers, the "Several Regulations on Road Traffic Safety in Tianjin City" to be implemented on January 1, 2021 clearly stipulates that when non-motor vehicles pass on the road, drivers shall not carry out behaviors that hinder road traffic safety such as browsing electronic devices, hand-held answering and making phone calls.
When the shared bike is riding the wind and waves all the way to more cities, the government has come forward to park it. On Christmas Day, the Traffic Management Bureau of Chengdu Public Security Bureau formulated and issued the "Technical Guidelines for the location of non-motor vehicle Parking in Public Areas of Chengdu City Center", and bicycles have the "correct posture" of parking in Chengdu - put in a white frame and face the same direction.进白框，统一朝向。
The difference between mountain bikes and road cars: different tires, different handlebars, different frames, different weights, different speeds, different brakes, different functions, different shock absorbers, different transmission gears, different parts combinations.