Tire Glossary

A plain-language glossary for common tire terms and fitment vocabulary.

Common terms

All-season tires balance wet, dry, and light winter performance. Aspect ratio describes sidewall height as a percentage of width. Load index is the code for maximum load capacity and speed rating indicates the maximum speed capability under proper conditions.

  • >>Balance helps prevent vibration and uneven wear
  • >>Tread depth is essential for traction and safety
  • >>Radial tires are the standard for most modern passenger vehicles