The most reasonably priced component used on the Z1100r1 1984 Europe Uk Nr Frame Fitting is the Nut,flanged,8mm,black.
With a quantity of two pieces, the Bolt,flanged,8x40,bla is the most used part in the FRAME FITTING diagram.
Of all the components used in this assembly the Collar,13x25x54 is the most expensive.
