What Causes a Tire to Bubble on the Sidewall

What Causes a Tire to Bubble on the Sidewall

A tire sidewall bubble is caused by pressurized air escaping from the tire’s inner air-tight liner into its outer rubber layers through a tear in the internal fabric and cord plies. This structural breach occurs when hard impacts, under-inflation stress, or bead damage compromise the tire’s reinforcement layers, allowing internal pressure to push the rubber […]