Hope someone can advise. I have a bod standard Micra K12 1.2 from 2004 which currently has Continental 165 X 70 R15 tyres on steel rims. I've found a nice set of secondhand alloys with tyres on internet which are 155 X 80 R13 wheel sizes 5 1/2 x 13.
Being a complete idiot when it comes to...
