For this 2018 Ford Focus ST, our customer wanted a Focus ST wheel with concave profile but with a classic racing style wheel and went with Rotiform Wheels R118 Six Matte Gold Rims Wheel and tire set up is 18×8.5 +45et wrapped with 235-40-18 Goodyear Eagle F1 Tires with no rubbing issues. Feel free to give us a call for any detailed information. (888) 814-1158