A foldable seat rack mountable between a body rack (200) and a seat (300) of a foldable motorized vehicle includes main supporting rods (1), upper rods (2), lower rods (3), a seat base (4), hooks (5), and an elastic element (6). Main supporting rods (1) ar...

An automatic wheel adjustment mechanism (100) mounted between two front wheels (201A,201B) and a front wheel stem (202) of a foldable motorized vehicle, comprising: (a) a front wheel supporting shaft (1) having a bearing housing (11) positioned on the top ...