Air bikes, also known as assault bikes, are the best exercise bikes because they are easy to use, compact, and portable. Many people buy assault bikes because they want to be healthier and happier, but this indoor bike has many other benefits for your mental and physical well-being. If you use an assault air bike in your daily routine, it will boost up your aerobic capacity without losing the strength. Another benefit of using this machine is that you don't have to be a fitness pro to use this machine. All you have to do is sit down and start pedaling, giving you a continuous rhythmic movement.