What Causes Tire Bulging?

1 Answers
CalvinLee
07/29/25 8:42pm
Tire bulging can be attributed to the following reasons: 1. Impact or compression at the bulging area: The most common cause is when a car hits a curb at high speed or at an inappropriate angle. In such cases, there are usually signs of impact, such as scratches on the surface or white impact marks inside the tire at the bulging area. Careful inspection will reveal subtle differences. 2. Tire quality issues: One scenario is when the fabric cords inside the tire have quality defects, leading to insufficient local strength; another is when the joints between the cord layers are poorly processed. Bulging caused by quality issues will show no marks on the tire surface or inside at the bulging area. 3. Insufficient structural strength in low-cost tires: The tire market is highly competitive. To reduce costs, low-cost tires may use fewer layers of fabric or nylon or inferior-quality cord layers, compromising the tire's strength. Even minor impacts can cause bulging in such tires.
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