Tyre balancing beads - whatever will they think of next!

[Spyke]

I hadn't heard of these till I stumbled across something about them today, what do you lot reckon?
[youtube][/youtube]
http://www.motorcycle-superstore.com/50 ... cing-beads
http://www.amazon.com/Counteract-Tire-B ... B008BTN83S
http://www.hotrodders.com/forum/does-re ... 76273.html

[Spyke]

I think that what bothers me most about these things is that there are almost equal amounts of yays and nays...I would have expected that either "the physics is right and they work", OR "the physics is wrong and they're no use"...

[snapdragon]

oooer fancy scary stuff