不用打气的轮胎

Amazing Pirelli Tyres... Absolutely SCARY looking... 

Look for 'em in August. 

These tyres are made in Milan. 

SEE THROUGH TYRES 

Radical new tyre design by Pirelli. 

The next generation of tyres. 

They had a pair at the Munich car show. 

  

Yes, those are 'spoke' like connections to the inner part 

Of the tyre from the outside tread 'wrap!' 

http://en.wikipedia.org/wiki/Airless_tire