Dayton Allen

Bead breaker Bead breaker Automotive Tool A bead breaker is a tool used for separating tires from rims. The innermost diameter of the tire that interfaces with the rim of a wheel is called the tire bead. The bead is a thicker section of rubber, and is reinforced with braided steel cables, called the bead bundle.[1] The surface of the bead creates a seal between the tire and rim on radial and bias-ply tires. This article needs additional citations for verification. (January 2017) A tire bead is held in the groove by air pressure. Often, the bead can become stuck to the rim after rusting or corrosion occurs, requiring the use of a bead breaker in order to be removed.…

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