How Do Beadlocks Work? Beadlocks work exactly how they sound like they work. Basically “locking” the bead in place between the rings, the beadlocks keep the tire attached to the wheel at all times. Because the bead is locked into place, it will not become unseated even if you significantly air down your tires.

Why is beadlock illegal?

They are illegal in the US due to the fact that they are not an error proof system of mounting. The DOT requires that a tire and wheel combination cannot come apart. They are also REALLY hard to balance. Most people who use them don't even bother attempting to balance the tire, since they never get above 5 mph.

Is it illegal to run beadlocks?

Beadlock wheels - The Ugly

Y'see, beadlock wheels aren't actually illegal, they're just not legal. ... Beadlock wheels simply haven't been approved, and nor do they fit into the standards that have already been approved so, by default, they're not legally able to be run, and therefore running them is illegal.