The Toyo Proxes RA1 tire comes in 235/40ZR17. It has a Load Index of 90 which means the tire is rated to hold up to 1323 lbs. The tire has a Speed Rating of Z so it is rated to go up to 168 mph. The UTQG rating is 100AAA. UTQG is a system of ratings that measures the Treadwear, Traction, and Temperature of the tire. Click here to learn more about the UTQG ratings. The tire comes in a Black Side Wall.

The Proxes RA1 is formulated with pliable R-compound that maintains rigidity when required. This compound enhances grip for competition performance and handling. The R-compound forms into a symmetric, stepped tread design that maximizes the tread area and limited void to enhance dry traction. An optimized groove design improves wet traction. This tire features tread depth indicators that enable precise tread depth measurements for total ride confidence.