The GT Radial Adventuro AT3 tire comes in 235/75R15. It has a Load Index of 105 which means the tire is rated to hold up to 2039 lbs. The tire has a Speed Rating of S so it is rated to go up to 112 mph. The UTQG rating is 520 A B. 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 GT Radial Adventuro AT3 is made for Light Trucks, CUVs and SUVs. The tire comes with a sidewall that has Outline White Lettering. If you wish, you may opt to flip the tire around so that the Raised Outline White Lettering is not showing on the outside.