Can someone please explain Bead Lock to me?

[Cleric]

What does it mean and what is the purpose?

Thanks.

 

[dcampen]

You mean like this:
http://www.rockcrawler.com/techreports/diy_beadlocks/index.asp

http://www.off-road.com/jeep/products/mrtbeadlocks/

They are for keeping the bead of the tire from coming off the rim as a result of severe maneuvers on tires that have been greatly aired down. They are not legal for street use.

 

[Cleric]

Thank you.