washer spacer shim ? on frame 450 Desmo 1974

[U can call me AL]

Ok, I've got all the bits out and can mentally work out where everything fits, except these. Can any bright spark id where these go?
One is aluminium and the other two are steel, all slightly dished.
All technical advise welcome. Thanks
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[Jon Pegler]

Those look like the shielding washers fitted to the wheel bearings.
They regulatly fall out, particularly when the bearings are removed.
Best option is to replace the bearings with fully sealed ones.
6202RS are usually fitted to most Ducati singles.
Jon

[U can call me AL]

Hello Jon, you were right on the money about the steel washers. The new bearings that have been ftted are sealed, so thanks for your speedy response. The Aluminium washer is from the top steering yoke. Thanks
regards AL