The Grit Master GTM A/T 01 tire comes in LT235/75R15. It has a Load Index of 104 which means the tire is rated to hold up to 1984 lbs. The tire has a Speed Rating of R so it is rated to go up to 106 mph. The Grit Master GTM A/T 01 is made for Light Trucks, CUVs and SUVs. It has a Load Range of C, which is also known as 6 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 in a Black Side Wall.