Tweel is an innovative tire design created by Michelin. The tire uses no air and therefore cannot burst or become flat.
Instead, Tweel’s base is connected to shock-absorbing polyurethane spokes which are used to support the outer rim.
Tweel Video Presentation
from:http://www.toxel.com/tech/2009/07/05/innovative-airless-tires-by-michelin/
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