Hei.
I've got Ritmo Abarth 14" alloys on my Uno. Problem there was the offset of 60 mm due to huge brakes on the Ritmo (Strada in UK). So I needed spacers (Momo makes specific to your Uno). You just have to try them on, and bring the steering to full lock both ways. I've got H-rated (which is not a necessesity - the car won't go that fast except in free fall) GoodYear Eagle Ventura 165/60R14s mounted. Bought these tires 'cause they are excellent in Norwegian weather. 10% sun, 30% cloudy and 60% rain combined with poor road standard I'd want tires that removes the water under the tires. I guess it's a nice word for this in english, but I don't know it - directly translated it's "water-planning" where water causes your tires to slip and you loose control and crash your car. You could also go for 175/55R14 or as Chris says 185/50R14, but I don't suggest wider tires than 185 due to tracking.
Morten.
abarth wheels & steering. ia lowered. pg audio. refurnish.
projects: air intake. (used) seats. exhaust-repair. legal tint.