Experience exceptional speed and longevity with the Proxes R, a tire designed for ultimate performance. The Proxes R is quicker and more predictable than its respectable predecessor, the Proxes RR, while retaining its highly regarded consistency and durability. This DOT competition tire* has 4/32” deep tread and is designed for dry road racing and high-performance driving experiences (HPDE). With a newly developed tread compound and all-new construction, elevate your racing experience and reach the winner's circle with Proxes R. https://www.toyotires.com/product/pro...