Proxes RR

About the Toyo Proxes RR

DOT Competition Racing tire Designed for Dry Tracks. Ideal for NASA Road Racing, Track Days and High-Performance Driving Schools. Race-Ready Off-the-Shelf with a 4/32 Deep Tread.

Features

* Racing tread compound* Reinforced sidewall and high-modulus bead filler* Wear inspection holes* Sidewall marking area* Toyo Tires' Limited Warranty

Benefits

* Increase grip and improves lap time* Provides excellent steering response and feedback* Provides easy tread depth measurement from any position* Allows for easy labelling on the sidewall

Understanding the 315/30ZR20 size

In the size code 315/30R20, 315 is the section width in millimetres (about 12.4"). 30 is the aspect ratio — the sidewall height is 30% of the width, or roughly 94.5 mm. R20 means radial construction on a 20-inch wheel, giving an approximate overall diameter of 27.4".

The load index 101 means each tire supports up to 1,819 lbs — about 7,276 lbs across a full set of four. The speed symbol Y certifies the tire to 186 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.

What the Toyo Proxes RR is built for

The Toyo Proxes RR is a summer tire, tuned for maximum dry and wet grip in warm conditions; it is not intended for near-freezing temperatures. Fitment category: Passenger Car, CAR, Competition/Racing, Performance, UHP.

Tread life and grip ratings

This tire carries a UTQG rating of 40 C A. The treadwear grade of 40 is a relative durability score — a grade of 200 is expected to last roughly twice as long as a grade of 100 under the same controlled test. Traction grade C measures straight-line wet stopping grip (AA is highest, then A, B and C). Temperature grade A reflects heat resistance at sustained speed (A is highest).

Price and value

At $404.66 per tire, a full set of four costs $1618.64. That is about 18% below the average price of the 12 tires we stock in this size.