Six rounds are easy to locate and inaccurate. White iron spokes are used for ordinary rims, avoiding ditches and ridges, and the rims are easy to change lanes and the spokes are short and brittle.
The whole vehicle is mostly iron, which is easy to rust after rain.
If it is because of economic problems, there is nothing to say. If it is to ride for a longer time, it is recommended to spend more money for safety.