Stable supporting wheel device of two-wheeled motorcycle

The utility model relates to the technical field of two-wheeled motorcycles, and discloses a stable supporting wheel device of a two-wheeled motorcycle, which comprises a motorcycle frame. According to the stable supporting wheel device for the two-wheeled motorcycle, by arranging a micro servo motor, when a rider needs to temporarily stop or slowly move, the micro servo motor is started to drive a threaded rod to rotate, and through cooperation of the threaded rod, a threaded block and a connecting rod, a supporting shaft can drive a connecting assembly and four supporting wheels to move downwards to make contact with the ground; through the arrangement of the four supporting wheels, the purposes that a rider can keep stable during short parking and can easily and slowly move without affecting the driving safety are achieved, when the rider does not need to short parking or slowly move, a micro servo motor is started to rotate reversely, and the rider can drive the micro servo motor to rotate. And the suppor