It's a hubless bike powered by a Rolls-Royce aircraft engine, and is the work of Brazilian former F1 driver and current custom bike builder, Tarso Marques.

https://t.co/8Jd1Ht11xE https://video.twimg.com/ext_tw_video/1345731791517347840/pu/vid/640x640/Dq1uKcCDbfle7uzC.mp4