This schematic depicts all components used in the Rg500c 1987 (h) (e01 E02 E04 E06 E15 16 17 21 22 24 25 34 39 53) Steering Stem partslist.
A sample from the products for the Steering Stem include: Bolt, Taper,roller Bearing, Bolt, Nut,steering Stem.
The most reasonably priced component used on the Rg500c 1987 (h) (e01 E02 E04 E06 E15 16 17 21 22 24 25 34 39 53) Steering Stem is the Bolt, Rear (8x30).