Hello! I’m Focus ST (mk3 2013) owner. I’m amateur time-attack and sprint cup racer. I would like to buy a second wheels kit in 17”. But I don’t know what size of rims and tires suitable for my races. I was looking for tires and rims sizes in user's manual and on the doors sticker, but didn't...

For those looking to possibly change the wheel and/or tire size on your ST. Use the calculator to see what happens to your speedometer reading when you change the size of your tires and wheels. The graphic shows your stock tire selection in an outline overlaid on your new tire...

The 2013 Focus ST will come stock with 235/40R18 Goodyear Eagle F1 Asymmetric 2 mounted on 5-108 18x8 55 mm offset, 5-spoke, Y-shaped wheels. Weight is 25lbs.