Before revision: The bead is a thicker section of rubber, and is reinforced with braided steel cables, called the bead URL The surface of the bead creates a seal between the tire and rim on radial and bias-ply tires.
After revision: The bead is a thicker section of rubber, and is reinforced with braided steel cables, called the bead bundle.Graphic beadbuster.com The surface of the bead creates a seal between the tire and rim on radial and bias-ply tires.