Toyo Proxes RR Tire - 255/40ZR17

Race-ready off the shelf with a 4/32" deep tread, the Proxes RR delivers consistent lap times and predictable handling on dry tracks. This DOT competition tire is ideal for NASA road racing, track days and high-performance driving schools. The symmetric two-groove tread design and special tread compound provide a maximum contact patch and ultimate dry traction with superior cornering force.

• REINFORCED SIDEWALL AND HIGH-MODULUS BEAD FILLER provide excellent steering response and feedback
• Proxes RR is the spec tire in several classes within NASA, BMW CCA, PCA and many more
• WEAR INSPECTION HOLES provide easy tread depth measurement from any position
• SIDEWALL MARKING AREA allows for easy labeling on the sidewall
• RACING TREAD COMPOUND increases grip and improves lap times

The Toyo Proxes RR 255/40ZR17 performance racing tire is designed for drivers who demand consistent lap times, predictable handling, and strong dry-track traction. Ready for competition straight from the shelf, this DOT-approved competition tire features a 4/32-inch tread depth and is well suited for NASA road racing, track days, high-performance driving schools, and other demanding applications. Its symmetric two-groove tread pattern helps maximize the contact patch for dependable cornering force and responsive handling on dry pavement.

• Reinforced sidewall and high-modulus bead filler: Improve steering response, driver feedback, and chassis control during cornering.


• Racing tread compound: Delivers high dry grip to support confident acceleration, braking, and cornering while helping improve lap times.


• Competition-proven design: The Proxes RR is used as a spec tire in multiple classes within NASA, BMW CCA, PCA, and other racing organizations.


• Wear inspection holes: Make it easy to check remaining tread depth from any position on the tire.


• Sidewall marking area: Provides a convenient location for labeling and race-day identification.

This Toyo Proxes RR uses a radial, tubeless construction with a black sidewall and non-directional tread design. The 255/40ZR17 fitment is intended for compatible 17-inch wheels and performance-focused vehicles. As a dedicated competition-oriented tire, it prioritizes dry-weather grip, steering precision, and consistent track behavior rather than all-season versatility. Confirm wheel, vehicle, and racing-class compatibility before installation, and follow professional mounting and tire pressure recommendations for the intended application. The Toyo part number for this tire is TOY255110.

Features:

• Reinforced sidewall and high-modulus bead filler improve steering response and driver feedback.

• Racing tread compound increases dry grip and supports faster, more consistent lap times.

• Symmetric two-groove tread design maximizes the contact patch for predictable cornering.

• DOT-approved competition tire suitable for NASA road racing, track days, and performance driving schools.

• Spec tire used in select NASA, BMW CCA, PCA, and other racing classes.

• Wear inspection holes simplify tread-depth measurement.

• Sidewall marking area supports convenient race-day labeling.

• Radial, tubeless construction with a black sidewall and non-directional tread.