ROSTA Electric Bike Concept by Cheng Feng Peng. A long distance bicycle ride is always uncomfortable simply because sitting in one position for a long time final results in neck and rear pain. Therefore, Rosta has been recently designed for providing finest body posture while riding and forming mark in normal status. This particular design has come up together with best body posture for young as well as vogue people who can half lie on this. The designer has surely taken the actual ride mode as the main investigation direction and has come way up with this unique and extremely comfortable design for cyclists. If we look with the parts and equipments employed in this bicycle, I think it will cost far more than your regular bicycle.