Question

Which of the following areas must be lubricated before mounting a tubeless truck tire on a single piece rim? 1) the tire beads 2) the bead seat area on the rim 3) the drop center of the rim 4) all of the above 5) none of the above

Answer 1

All parts mentioned, including the tire beads, bead seat area on the rim, and the drop center of the rim, must be lubricated before mounting a tubeless truck tire on a single piece rim.

Step-by-step explanation:

When mounting a tubeless truck tire onto a single piece rim, it is important to ensure proper lubrication to help the tire beads seat correctly and to prevent damage to the tire and rim. The areas that must be lubricated are:

1. The tire beads
2. The bead seat area on the rim
3. The drop center of the rim

Therefore, the correct answer to which areas must be lubricated is 4) all of the above. Each one of these components is crucial for aiding in the mounting process and ensuring a proper seal to maintain tire pressure.