What is the name of the portion of the tire that comes in direct contact with the ground?

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Multiple Choice

What is the name of the portion of the tire that comes in direct contact with the ground?

Explanation:
Tread is the portion of a tire that comes in direct contact with the ground. It’s the rubber surface that provides traction and wears as the tire rolls, with its pattern helping grip the surface and shed water or debris. The sidewall runs along the tire’s outer edge and flexes; it doesn’t touch the ground. The bead is the reinforced edge that sits on the wheel rim to seal the tire, and the carcass refers to the internal fabric or ply structure that gives the tire strength and shape. So the tread is the only part designed to contact the ground during operation.

Tread is the portion of a tire that comes in direct contact with the ground. It’s the rubber surface that provides traction and wears as the tire rolls, with its pattern helping grip the surface and shed water or debris. The sidewall runs along the tire’s outer edge and flexes; it doesn’t touch the ground. The bead is the reinforced edge that sits on the wheel rim to seal the tire, and the carcass refers to the internal fabric or ply structure that gives the tire strength and shape. So the tread is the only part designed to contact the ground during operation.

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