asymmetrical tread

The tread of a tire which has different shapes/patterns and sizes of grooves in the same tire. Often they are divided into three distinct patterns: The outside shoulder, the center zone, and the inside shoulder. The outside shoulder tread will have larger shoulder elements with very few sipes to provide increased cornering stability. The center tread zone enhances steering control. The inside shoulder tread zone provides additional traction because the shape of the tread elements, sipes and larger shoulder slots help disperse water and slush. Obviously these tires must be mounted only one way so that the outside pattern is actually on the outside of the wheel

Dictionary of automotive terms. 2015.

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  • tread — [1] The distance between the two front or two rear wheels. [2] Portion of the tire which contacts the roadway. [3] The pattern of the outside circumference surface of a tire. See asymmetrical tread cracking tread directional tire directional… …   Dictionary of automotive terms

  • directional tire — Directional designs are recognized by the grooves in the tread that swipe away in a backward angle from the center of the tread face and rotate in only one direction. A direction of rotation arrow is located on both sidewalls of the tire.… …   Dictionary of automotive terms

  • symmetrical — tread is the most common tread design. Both halves of the tread face are the same design. It does not matter which side faces out. See asymmetrical Tread directional tire …   Dictionary of automotive terms

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