Toyo Proxes RR Tire - 225/45ZR15

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 225/45ZR15 is a race-ready DOT competition tire designed for NASA road racing, track days, high-performance driving schools, and other dry-track applications. With a 4/32-inch tread depth, symmetric two-groove tread pattern, and racing-specific tread compound, this performance radial delivers consistent lap times, predictable handling, strong cornering force, and maximum dry traction. Its tubeless construction and black sidewall provide a purpose-built solution for drivers seeking dependable performance straight from the package.

• Reinforced Sidewall and High-Modulus Bead Filler: Enhance steering response, driver feedback, and control during hard cornering.


• Spec-Class Compatibility: The Proxes RR is used as a spec tire in select classes within NASA, BMW CCA, PCA, and other racing organizations.


• Wear Inspection Holes: Make it easy to monitor tread depth from multiple positions on the tire.


• Sidewall Marking Area: Provides a convenient location for driver, vehicle, or event identification.


• Racing Tread Compound: Increases dry-track grip and supports improved lap times in competition and performance driving environments.

The Toyo Proxes RR features a non-directional tread design, 45-series aspect ratio, and 15-inch wheel fitment for vehicles requiring a 225-width performance tire. Its construction is optimized for dry pavement and controlled track use rather than everyday touring, making it well suited to dedicated motorsports and serious driving events. The Proxes RR combines responsive handling with consistent feedback to help drivers maintain confidence through braking zones, transitions, and high-speed corners. Part number TOY255140 identifies this Toyo competition tire for accurate application matching.

Features:

• Construction: Radial tubeless tire with a black sidewall for performance driving applications

• Tire Model: Toyo Proxes RR DOT competition tire

• Tire Size: 225/45ZR15 performance fitment

• Tread Design: Symmetric two-groove, non-directional tread pattern for a large contact patch

• Tread Compound: Racing compound developed for increased dry-track grip and cornering force

• Sidewall Construction: Reinforced sidewall and high-modulus bead filler for responsive steering feedback

• Tread Monitoring: Wear inspection holes for convenient tread depth checks

• Sidewall Marking: Dedicated marking area for easy tire identification

• Competition Use: Suitable for NASA, BMW CCA, PCA, track days, and high-performance driving schools