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More specifically, the axle is hollow, following the wheel at very close tolerances. The hubless wheel was invented by Franco Sbarro (who has built a variety of working hubless wheel vehicles, including at least two motorcycles and a car, the 1989 Sbarro Osmos), and patented by Globeholding of Geneva.
Although hubless wheels are striking in appearance, their numerous practical disadvantages have precluded their widespread use as an alternative to conventional wheels. They are difficult and expensive to manufacture, requiring a great deal of precision machining, and the design leaves the bearings and other mechanical parts largely exposed to the elements. The drive system is especially problematic since a conventional axle and CV joint cannot be used; options include using chain or belt drive. Another solution, developed by Sbarro, is to house the entire propulsion mechanism inside the wheel itself.
One example of hubless wheels are those used in the Tron: Legacy light cycle. The illuminated, street-legal motorcycle was sold through Hammacher Schlemmer, inspired by the computer animated cycle from the 2010 film Tron: Legacy. Designed for casual cruising and slow ride-bys at shows, it is made from a steel frame covered by a fiberglass cowling that replicates the sleek look of its computer-generated imagery counterpart. Electroluminescent strips built into the tire cowlings, wheel rims, and body illuminate the cycle. It is powered by a fuel-injected Suzuki 996 cc (60.8 cu in), 4-stroke engine. Riders lie at a near-horizontal position astride the padded leather seat, with feet on foot pegs that control its 6-speed constant-mesh manual transmission and hands on the handlebars for throttle and braking. The hubless wheels are former truck tires built up then custom-shaped to fit onto one of two counter-rotating rims spinning within each other, providing the broad-tired authenticity of the computer cycles from the movie.
The Skatecycle invented by Alon Karpman, contains the first hubless wheels to be mass-produced. Its design consists of a double-jointed twisting axle connected to two standing platforms surrounded by 9" polyurethane hubless wheels. In order to engage the unit, the rider needs to twist their feet inwards and outwards. It is the first hubless wheel to employ a practical use for the hollow space as a platform in the center where the user stands, and in recognition of this, has received the Bronze 2010 IDEA award in the transportation category-(as part of this award, the Skatecycle became part of the permanent collection at the Henry Ford Museum). 
Another example of a hubless vehicle is the "Zero Bike", a lightweight hubless bicycle whose non working prototype won an Industrial Design Excellence Award in 1991. Its design is based on the principle of magnetic superconductivity, also used in high-speed trains that are suspended above rails.
The orbital wheel was designed in 1990 by Dominique Mottas of the French Osmos company in an attempt to reduce the number of moving parts by removing the center shaft and hub of the wheel and relying upon a circular rim inserted inside the wheel to support it instead. The orbital wheel was created by using two circular bearings inserted inside of each other. The inner bearing provides steering, support, and attachment to the frame. The outer bearing consists of a tire with a brake ring also fixed in. Some of the advantages seen by this design are more accurate steering, less weight, and enhanced braking.
Hubless wheels in India
In 2011, final-year Mechanical Engineering students (Shabin S, Asif Shereef, Abhijith Mohan, and Bibin Salim) of P.A. Aziz College of Engineering and Technology,Thiruvananthapuram, Kerala succeed in designing and introducing a Hubless wheel in a motorcycle as part of their college project (pic above). The project, under the guidance of Professor Azeem Hafiz, was completed in four months.
The 'Hubless Ryder' was built from a Yamaha Enticer, a cruise-category motorcycle with modifications on the wheel assembly, swing arm suspension and rear sprocket. The model used chain-drive system and employed a custom built sprocket. This model is said to have increased steering efficiency, providing high degree of resistance during tilt.The model also came with a disc brake in rear wheel.
- "A Bicycle Far Ahead Of the Pack", New York Times, 29 August 1991