advice on alloys and tyres please

[tatutym]

hi,
ive got a 54 transit 220 connect swb

i have two sets of alloys and would like to know what tyres will fit it
i dont carry heavy loads

first set is x-type jag bermuda wheels 17" been told 205-45-17 buts whats your opinions (i know about the different wheel nuts for these)

second set is 07 focus st 18" opinions on tyres for these please
please help

[Aardvark]

You'll need to know the wheel width as well as the diameter to choose a tyre size.
Then have a look at this tyre size calculator to pick a size.
http://www.kouki.co.uk/utilities/visual-tyre-size-calculator
Then see if you can
source a "commercial" rated tyre in the size.

[tatutym]

thanks looks like the 205-45-18 are the closest match of the two,anyone else know