The Tri-Ace Pioneer A/TX tire comes in 275/70R17. It has a Load Index of 121 which means the tire is rated to hold up to 3197 lbs. The tire has a Speed Rating of S so it is rated to go up to 112 mph. It has a Load Range of E, which is also known as 10 Ply. This is maximum safe carrying capacity of the tire. A higher Load Range allows the tire to carry a heavier load. The tire comes with a sidewall that has Raised White Lettering. If you wish, you may opt to flip the tire around so that the Raised White Lettering is not showing on the outside.