For those searching, this is not the conventional use of "tubeless" when it comes to tires - this term refers to pneumatic tires which do not use an inner tube.

For those searching, this is not the conventional use of "tubeless" when it comes to tires - this term refers to pneumatic tires which do not use an inner tube. "Solid tire" or "solid tube" are the more common terms for airless tires and tire inserts. On off-road motorcycles they're called bib mousse, a Michelin trade term for an airless foam inner tube.