sizing

Hello all, I have never tried winter tires on my 2010 genesis 4.6. This year I am planning to try winter tires. Thinking of going with Blizzak. My question is about minus sizing. Tire rack recommends minus sizing with 225 55 17. Is that the only size available? I read somewhere on the forum...

I think I read a thread somewhere in here about the effects of putting larger wheels on the car. I think the thread said it was alright to go one inch larger that stock, but any wheels more than one inch over stock could cause problems with shifting and the indicated speed and the odometer...

Hi, I have a 2010 Genesis Sedan Technology Pkg. so it has tires size of 235/50/18. I am thinking about getting winter tires and i am torn between two sizes of tires for winter. I know that thinner winter rims are recommended but with thinner rims, handling is given up. Which size would you...