Cool bike is not a cool bike, but a cool bike, because my nickname is Li Liangkuai.
The problem of cushion height and height adjustment is explained in the last two pictures.
Because there is no special equipment, only steel frame can be selected as the support, filled with clay, and then pasted with carbon cloth.
The intensity is definitely enough. I'm 200kg hard. It's okay.
The three knives are aluminum and the closing wheel is plastic.
I'll have time to make a pure carbon one later.