The Bolt,hex., 6x16 is the lowest priced item on this E-15 Primary Shaft schematic.
A sample from the products for the E-15 Primary Shaft include: Needle Brg, Bolt,hex 6x16, Brg.ndl.25x29x17, Roller 10.2x11.5.
thirty-six components are listed in the schematic for this Cb650c 1981 (b) E-15 Primary Shaft .