Originally Posted by
gsulit@shaw.ca
Thanks so much T_Mar. I forgot to mention that the front derailleur is Shimano RX100 ( everything else is Shimano 600 even the rims have 600 hubs and are tubular to my surprise after got home ). This RX100 may be the original component to this model as you alluded to. Thanks again.
I don't believe that RX100 is original. RX100 wasn't introduced untilt eh 1990 model year and it's price level was low enough that it typically came on Asian manufactured Binchi, at least in Canada and the USA. Your Bianchi is definitely Italian manufacture based on the Gipiemme dropouts.