A Centreless wheel is a wheel that has no hub, central space or spokes.
A working prototype was shown at India bike week 2014, in Goa. The prototype was designed by a Freedom Sprints. The company uses ball bearings to complete the model. The members of the development team include Abhishek Sharma, Ankur Tiwari, Sarvesh Khemka and Yashodeep Yadav. The wheel was driven around 300 km for testing purpose.
References
Hubless wheel in India Wikipedia(Text) CC BY-SA