Most folks would love to lose weight, look better, feel better, live longer. Exercise bikes help get your blood pumping as well as getting your heart pumping. The pedaling motion strengthens your legs and tones your, ahem, butt.
A recumbent bike - on which you sit back on a bucket seat - is especially effective if you're working on your lower body.
No Place Like Home
The benefits of an upright or recumbent stationary bikes include being able to work out at odd hours, whenever you want. You can do this in your home, without anyone watching. You get a great cardio workout without any of the pounding on your joints and spine that running requires.
Steady Wins the Race
Unlike the rhythmic bouncing, if not, the outright pounding, of a treadmill, a stationary bike offers more of a steady workout, so you might actually be able to follow what's going on across the room on the TV. Some even claim they can read on a Weslo exercise bike.
Another benefit is that an exercise bike is a great beginner's entry into the world of fitness. If you're a little overweight, and out of shape, it's a terrific first step, not only physically, but mentally, too. Running is daunting, exercise equipment is complicated; but everyone can ride a bike.
A fitness bike can serve as a great warm up, in both the short and long term. You can get your body ready to take on another exercise. You can get your body ready to live a better life.