315 30 R20 Toyo Proxes R888R TrackTyre.co.uk Toyo Proxes R888R Tire 315 35 17 102W TOYO PROXES R888R Drift 275 35R18 275 35 18 Toyo Proxes R888R 285 35R19 99 Y Tire Walmart.com Toyo Tires Proxes R888R Tire Evaluation DSPORT Magazine Toyo Tires. The Proxes R888R DOT competition tire* is an evolution of the race winning Proxes R888, delivering even faster lap times and better dry handling. The credit goes to a new tread design and an improved contact patch that puts more rubber on the track. Racers will also appreciate the predictable handling and how quickly the Proxes R888R reaches optimal operating temperature.*Caution: Recommended for competition events only. Large Tread Blocks on Outside Tread Maximizes lateral grip for improved cornering. Wide Center Rib Improves directional stability and precise steering response. Water Evacuation Channel Assists with wet traction. High Grip Race Compound Reaches optimal operating temperature quickly and provides consistent performance. Improves grip for excellent cornering performance. Optimized Contact Patch Improves dry traction in braking, acceleration, and cornering.