Indian Engineering college professor BR Singh Invented an Air O Bike. Indian Engineering college professor BR Singh Invented an Air O Bike. Yes this bike need only air for moving. There is only air compressor need to increase its speed. And you can fill air in their cylinder from anywhere just applying simple method. And there are two cylinders in this Air O Bike. There is a seamless engine in this bike. It can cover 1 Kmph just 12 Indian pese. It mean $ 0.0028571428 American Dollar. Its like free journey for everyone. He started this invention since 2005 and complete it in 2013. He said there are also many thing remain in this and he will complete soon.