Abstract: A motorcycle chassis having two axially aligned internally threaded pin receiving bushings secured in axially aligned passages extending through opposed sides of the motorcycle chassis;a swing arm having opposed ends in which are positioned bearings, the bearing having axially aligned pin receiving apertures;a pair of mounting pins, each of the mounting pins having a first end, a second end, and an externally threaded body, the externally threaded body being sized to mate with the internally threaded pin receiving bushings;a sleeve having a first end, a second end, an external diameter sized to fit within the passages of the motorcycle chassis and an internal diameter slightly larger than the external diameter of the body of the mounting pin, such that the sleeve slides over the mounting pin, the second end of the sleeve having a flange;threaded main body of each of the mounting pins being mated with the internally threaded pin receiving bushings in the motorcycle chassis until the first end of the mounting p