The most reasonably priced component used on the Cb550 Super Sport 550 Four Cb550f2 1977 Usa Shift Drums / Shift Fork is the Spring,shift Arm.
Of all the components used in this assembly the Drum,gear Shift is the most expensive.
A sample from the products for the Shift Drums / Shift Fork include: Pin, Shift Fork, Oil Seal 14x24x5, Spindle,gearshift, Stopper,shiftdrum.