nice Bianchi. do you live in the states? I can't really find anything like this? the decals look like '83-'88ish but the fork looks older. the derailleurs are 980 (I think) which might make it a '83 980 model. however things just do not add up. the oddest is a 50/43 chainwheel setup.
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk