Motorcycle shock absorber outer tube end spring pre-pressing adjusting assembly

The utility model discloses a motorcycle shock absorber outer tube end spring prepressing adjusting assembly which comprises a shock absorber outer tube, an end cover and a shock absorbing spring, a spring supporting seat, a transverse pin, an ejector rod and a prepressing adjusting button are sequentially installed along the axis of the shock absorber outer tube from bottom to top, and the prepressing adjusting button is only rotatably installed on the end cover. The front end of the pre-pressing adjusting knob is a square rod part, the square rod part extends into a square hole of the ejector rod, the ejector rod is installed in a threaded hole of the end cover through an external thread, the transverse pin transversely penetrates through a strip-shaped hole which is formed in the end cover and extends up and down, and the ejector rod, the transverse pin, the spring supporting seat and the damping spring are sequentially installed in an abutting mode; when the pre-pressing adjusting knob is rotated, the eje