Toyo Proxes R Tire - 345/30ZR19 105W

Experience exceptional speed and longevity with the Proxes R, a tire designed for ultimate performance. The Proxes R is quicker and more predictable than its respectable predecessor, the Proxes RR, while retaining its highly regarded consistency and durability. This DOT competition tire has 4/32" deep tread and is designed for dry road racing and high-performance driving experiences (HPDE). With a newly developed tread compound and all-new construction, elevate your racing experience and reach the winner's circle with Proxes R.

• Newly reinforced sidewall and high-modulus bead filler provides more stability and steering response
• Improved racing tread compound increases grip and improves lap times.
• Optimized contact area improves braking and cornering performance
• Wear inspection markers indicate wear patterns and longevity

The Toyo Proxes R performance racing tire is engineered for dry road racing, high-performance driving events, and HPDE applications. Part Number TOY255580 combines the speed and precision needed for competitive driving with the consistency and durability expected from Toyo. Compared with the Proxes RR, the Proxes R delivers quicker response and more predictable handling while maintaining dependable performance throughout demanding sessions.
The newly developed racing tread compound increases dry grip to help improve lap times, braking, and cornering performance. An optimized contact area helps maintain stable road contact under hard acceleration, heavy braking, and high-speed cornering. The reinforced sidewall and high-modulus bead filler further enhance steering response and stability, giving drivers more confidence when approaching corners and transitioning through technical sections. This DOT competition tire features a 4/32-inch tread depth for dry-focused performance and controlled wear.
Built as a tubeless radial tire with a non-directional tread design, the Toyo Proxes R is sized for 19-inch wheels and carries a 105W service rating. Wear inspection markers make it easier to monitor tread condition, identify wear patterns, and plan tire replacement for consistent track performance. The black sidewall design complements performance-oriented vehicles while the specialized construction remains focused on dry racing use. For drivers seeking a responsive, durable, and predictable competition tire, the Toyo Proxes R is a serious choice for track-day and road-racing applications.

• Reinforced sidewall and high-modulus bead filler improve stability and steering response


• Advanced racing tread compound increases dry grip and supports faster lap times


• Optimized contact area enhances braking and cornering performance


• Wear inspection markers help monitor wear patterns and tire longevity


• DOT competition tire designed for dry road racing and HPDE driving

Features:

• Construction: Radial design provides consistent performance for demanding track applications

• Tire Type: Performance competition tire engineered for dry road racing and HPDE use

• Tread Compound: Newly developed compound increases dry grip and responsiveness

• Sidewall: Reinforced sidewall improves stability and steering feedback

• Bead Filler: High-modulus bead filler supports precise handling and cornering control

• Contact Area: Optimized footprint improves braking and cornering performance

• Tread Depth: 4/32-inch competition tread supports dry-focused track performance

• Wear Markers: Inspection markers help identify wear patterns and remaining service life

• Fitment: 345/30ZR19 size for 19-inch wheels

• Service Rating: Load Index 105 with W speed rating

• Tube Type: Tubeless construction

• Sidewall Design: Black sidewall