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What is the maximum measurable movement allowed at the top or bottom of a tire for vehicles with wheel sizes less than 17 inches?

  1. 1/4 inch

  2. 3/8 inch

  3. 1/2 inch

  4. 1 inch

The correct answer is: 1/4 inch

The maximum measurable movement allowed at the top or bottom of a tire for vehicles with wheel sizes less than 17 inches is 1/4 inch. This standard is part of the safety inspection criteria to ensure that tires are securely mounted and functioning correctly. Excessive movement can indicate issues such as worn bearings, poor alignment, or a problem with the wheel itself, which may compromise the safety of the vehicle. The 1/4 inch specification is crucial because even a small amount of movement can lead to decreased vehicle control, increased tire wear, and potential safety hazards during operation. Adhering to this standard helps ensure that the vehicle remains stable while driving, contributing to overall road safety.