Dry Performance Treadwear Wet Performance Handling Comfort

Key Facts about Toyo Proxes RA1:

Toyo Proxes RA1


The design and components of the Proxes RA1 came from our experience in winning races all over the world. This DOT competition tire is well-known by road racers for delivering quick lap times, consistency, and long wear. Full 8/32″ tread depth provides good competitive wet traction, while shaving to 4/32″ improves dry traction.

Soft but durable r-compound:

  • Improves grip for better competitive handling and performance.

Stepped tread design:

  • Increased tread area and limited void improves dry traction.
  • Groove arrangement assists with wet traction.

Tread depth indicators:

  • Allows for more accurate tread depth measurement near the shoulders.

Detailed Information

Type and Size
Tire Model
Toyo Proxes RA1
Car Type
Rim Diameter
13 / 15 / 16 / 17 "
205 / 225 / 245 / 275 mm
Aspect Ratio
40 / 45 / 50 / 60 %
Special Features
Mud and Snow
Extra Load
Speed and Load
Speed Index
V (max 149 mph)
Load Index (max load for a tire)

Toyo Proxes RA1 Sizes & Specifications

Rim Model Size Index Features
R13 205/60 R13 86V 205/60 R13 86V
R15 205/50 R15 205/50 R15
R15 225/50 R15 225/50 R15
R16 245/45 R16 245/45 R16
R17 275/40 R17 275/40 R17

Amazon Reviews Toyo Proxes RA1

Questions and Answers

  • May 15, 2015

    Toyo RA1