I found this bike one morning near my house and figured I'd bring it home to work on it/restore it. But I have no idea what make/model/year it is and I come asking for help. I can make out the word "SINTESI" on the side but that's about it. I tried to take a picture of the brand marks that were still visible but mind you, none of these may be stock. Also I stuck a 700c wheel on it and I was wondering if it's too big?