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cute
this is the very bottom:
bulge-formed head
not constructed with any of the manufacturer's usual lug patterns
the bulge-formed head, seat lug, bottom bracket shell, plate style bridges & frame ends are all from Agrati
plate style bridges
five-piece steel solid axle hubs
steel brake calipers
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in case you have not as yet run across it there is a wonderful resource of Legnano information here -
https://condorino.com/
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