E61 air spring

[JohnC]

You can't really look at it like that.

Tyres are only a big rubber balloon but there is a technology behind them. You aren't just paying for the material.

[Ron Burgundy]

You can't really look at it like that.

Tyres are only a big rubber balloon but there is a technology behind them. You aren't just paying for the material.

I thought it was just airlines and a valve in them.
No technology in the airspring / airbags on the trucks...