Toyo Proxes R1R Tire - 245/40ZR18 93W

Years of grueling on-track experience and advanced engineering shine through in this extreme-performance summer tire. The Proxes R1R helps you drive hard through the corners and quickly accelerate in the straightaways. Features include an aggressive arrowhead tread design, an extra-wide footprint, a high-grip compound and an autocross-inspired casing design.

• STABILITY CONTROL SLITS provide resistance to irregular wear and mproves dry performance by maintaining block stiffness during aggressive braking.
• TAPERED CENTER BLOCK EDGE stabilizes center block movement to decrease irregular wear, and helps to increase hydroplaning resistance
• SILICA-REINFORCED, HIGH-GRIP TREAD COMPOUND improves grip for better handling performance during high-spirited driving.
• ADVANCED AUTOCROSSINSPIRED CASING WITH MODIFIED RADIAL CONSTRUCTION improves steering response and handling

The Toyo Proxes R1R is an extreme-performance summer tire engineered for drivers who demand responsive handling, strong cornering grip, and quick acceleration on dry pavement. Built from years of on-track experience, this directional tire combines an aggressive arrowhead tread design, extra-wide footprint, high-grip compound, and autocross-inspired casing to help deliver confident control during spirited driving, autocross events, and performance-oriented street use.

• Stability control slits help resist irregular wear and maintain tread block stiffness during aggressive braking for improved dry-road performance.


• Tapered center block edges help stabilize center block movement, reduce irregular wear, and increase resistance to hydroplaning.


• Silica-reinforced, high-grip tread compound improves traction and handling performance during high-spirited driving.


• Advanced autocross-inspired casing with modified radial construction improves steering response and overall handling.

The Toyo Proxes R1R features radial construction, a tubeless design, black sidewalls, and a W speed rating for performance applications. Its 93 load index supports a broad range of sport compact, performance sedan, and enthusiast vehicles equipped for this tire size. The directional tread pattern is designed to promote predictable response and confident control when cornering at speed, while the specialized casing helps provide the precise steering feel expected from a competition-inspired tire.
Designed specifically for warm-weather performance, the Proxes R1R is intended for dry and wet pavement use in suitable summer conditions and is not designed for winter driving. This Toyo performance tire uses an 18-inch wheel diameter fitment, a 245-millimeter section width, and a 40-series aspect ratio. Verify vehicle specifications, wheel fitment, load requirements, and application suitability before installation. The Toyo Proxes R1R part TOY173250 is a focused choice for drivers seeking sharp turn-in, high levels of dry grip, and responsive handling for street performance and autocross use.

Features:

• Performance-oriented summer tire designed for responsive handling and high dry-road grip

• Aggressive directional arrowhead tread design supports cornering control and acceleration

• Stability control slits help maintain tread block stiffness and resist irregular wear

• Tapered center block edges stabilize tread movement and improve hydroplaning resistance

• Silica-reinforced, high-grip tread compound enhances traction during spirited driving

• Autocross-inspired casing and modified radial construction improve steering response

• 245/40ZR18 size with 93 load index and W speed rating

• Tubeless radial construction with black sidewalls