Toyo Proxes R888R Tire - 225/50ZR15 91W

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.

• HIGH-GRIP RACE COMPOUND reaches optimal operating temperature quickly and provides consistent performance
• OPTIMIZED CONTACT PATCH improves dry traction in braking, acceleration and cornering
• LARGE TREAD BLOCKS ON OUTSIDE TREAD maximize lateral grip for improved cornering
• WIDE CENTER RIB improves directional stability and precise steering response
• WATER EVACUATION CHANNEL assists with wet traction

The Toyo Proxes R888R DOT competition tire, part number toy103510, builds on the race-winning Proxes R888 with faster lap-time potential and sharper dry handling. Designed for serious track use, this radial performance tire combines a high-grip race compound with an optimized contact patch to place more rubber on the pavement. Its predictable response and rapid warm-up help drivers reach consistent performance sooner during competition and spirited driving sessions.

• HIGH-GRIP RACE COMPOUND reaches optimal operating temperature quickly and provides consistent performance


• OPTIMIZED CONTACT PATCH improves dry traction during braking, acceleration and cornering


• LARGE TREAD BLOCKS ON OUTSIDE TREAD maximize lateral grip for improved cornering


• WIDE CENTER RIB improves directional stability and precise steering response


• WATER EVACUATION CHANNEL assists with wet traction

The Proxes R888R features a non-directional tread pattern with large outer tread blocks that support lateral grip and cornering stability. A wide center rib helps maintain directional control while delivering precise steering feedback, making the tire well suited to drivers who prioritize responsive handling on dry race surfaces. The tread design also incorporates a water evacuation channel to assist with traction when conditions become damp, although this is a competition-focused tire rather than an all-weather touring product.
This tubeless tire uses a black sidewall and is rated W for high-speed performance. The 225/50ZR15 fitment is designed for 15-inch wheels and carries a load index of 91. As a DOT competition tire, the Toyo Proxes R888R is intended for track days, autocross, road racing and other performance applications where dry grip, predictable handling and quick warm-up are essential.

Features:

• Brand: Toyo

• Part Number: toy103510

• Tire Model: Proxes R888R

• Tire Size: 225/50ZR15

• Load Index: 91

• Speed Rating: W

• Tire Type: Performance DOT competition tire

• Construction: Radial

• Sidewall: Black sidewall

• Fitment: Designed for 15-inch wheels

• Tube Type: Tubeless

• Tread Direction: Non-directional

• Compound: High-grip race compound

• Contact Patch: Optimized for dry traction during braking, acceleration and cornering

• Tread Design: Large outer tread blocks and wide center rib

• Wet Traction: Water evacuation channel assists with wet traction