The Toyo Proxes RR is a DOT competition tire designed for NASA road racing, track days, and high-performance driving schools, this high-performance racing tire is made keeping in mind the track use with a 4/32" deep tread, for maximized grip on dry tracks. The symmetric two-groove tread design blended with a special racing tread compound increases grip and improves lap times along with ultimate dry traction with superior cornering force and superior traction capability. Additionally, reinforced sidewall and high-modulus bead filler provide excellent steering response, plus its wear inspection markers provide easy tread depth measurement, ensuring great overall performance.