Proxes RR Tire - 255/40ZR17

• Universal

The Toyo Proxes RR (product code 255110) is a DOT competition tire in size 255/40ZR17, built for dry-track racing. Race-ready off the shelf with a 4/32-inch-deep tread, the Proxes RR delivers consistent lap times and predictable handling on dry tracks, and Toyo positions it for NASA road racing, track days, and high-performance driving schools. Its symmetric two-groove tread design and special tread compound provide a maximum contact patch and ultimate dry traction with superior cornering force. Warning: for racing purposes only — not for highway use.

Features

• Racing tread compound increases grip and improves lap times
• Reinforced sidewall and high-modulus bead filler provide excellent steering response and feedback
• Wear inspection holes provide easy tread depth measurement from any position
• Sidewall marking area allows for easy labeling on the sidewall
• Race-ready off the shelf — no shaving required

Specifications

• Brand: Toyo
• Product code: 255110
• Size: 255/40ZR17
• Load index / service description: SL
• Overall diameter: 25.0 in
• Overall width: 10.2 in
• Weight: 24 lb
• Max load: 1,477 lb at 51 psi max pressure
• Approved rim width range: 8.5-10.0 in (9.0 in measuring rim)
• Tread: symmetric two-groove design, 4/32-inch deep
• Fitment: Universal (size-specific)

What's in the Box

• 1 Toyo Proxes RR tire, 255/40ZR17, product code 255110

Questions & Answers

Q: Is this tire sold individually?

A: Yes. This listing is for one Toyo Proxes RR tire in size 255/40ZR17, product code 255110.

Q: Can I drive this tire on the street or highway?

A: No. Toyo states the Proxes RR is for racing purposes only and is not for highway use, even though it is a DOT competition tire.

Q: Does this tire need to be shaved before racing?

A: No. The Proxes RR is race-ready off the shelf with a 4/32-inch-deep tread, and its two-groove design eliminates the need for tire shaving.

Q: What wheel width does the 255/40ZR17 size fit?

A: Per Toyo's specifications for product code 255110, the approved rim width range is 8.5 to 10.0 inches, with a 9.0-inch measuring rim.

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