Now, I know that airless tires have been around longer than there have been tires with air in them and, I know there have even been some recent good attempt to make them better. However, this is the first time i've seen an airless tire that's completely hollow and made out of a futuristic material known as carbon nanotubes. Click on the video below to see it in action...
Sure, this is just on a mountain bike but, it sure gets me thinking about what can be done on a larger scale with a bit more development. Certainly, it looks more promising to me than some of the near solid tire design I've seen.

Sure, this is just on a mountain bike but, it sure gets me thinking about what can be done on a larger scale with a bit more development. Certainly, it looks more promising to me than some of the near solid tire design I've seen.