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Bent Rim & Straightening

Everything about bent wheels — symptoms, dangers, and how hydraulic straightening brings a rim back to true.

Most bent rims can be fixed. A bend on the lip or inner barrel is pressed back to true on a hydraulic straightening machine, checked for runout with a dial indicator, pressure-tested for leaks and rebalanced. Some repairs are done same-day or within 24 hours, depending on the damage. The warning signs are a vibration through the steering wheel or seat that grows with speed, a tire that slowly loses air, or uneven tire wear, often after a pothole or a hard curb strike. A slightly bent rim is usually safe to drive carefully to a shop, but not safe to ignore: a bend can hide a crack or a leaking bead seat. A few bends can't be saved, including a bend combined with a crack, damage across the mounting face or hub, and wheels bent in several directions. The two guides below explain how straightening works and how serious a small bend really is.