The TOYO Proxes C1S 225/45 R17 94Y XL is a high-performance tire with a width of 225 millimeters, and a sidewall aspect ratio of 45%, designed to fit 17-inch wheels. It has a load index of 94, indicating a maximum load capacity of 670 kg per tire, and a speed rating of Y, indicating a maximum speed of 300 km/h (186 mph). The “XL” designation means it has extra load capacity.