When shopping for the best exericse bike that you can find you will find that schwinn exercise bikes are at the top of the list for quality.  No matter the type of bicycle you are looking for they will have a model that will work for you.  They make mini exercise bikes as well as the normal ones that we are all use to.  The typical model that looks like a normal bicycle that you learned how to ride as a child is called an upright exercise bike but they make them now that have a back rest.

Recumbent Exercise Bike

Recumbent exercise bikes are the ones that have a back rest for people that may have bad backs.  The back rest is usually inclined as opposed to straight up like a chair.  The most popular model is the schwinn 213 recumbent exercise bike pictured below.

Schwinn 213 Recumbent Exercise Bike

The reason that people love bike exercise so much is because it is easy on your knees and others joints while providing a great cardiovascular workout.  No matter you age you can workout on a bike and still get into shape.  The best exercise bike for you might not be the same as for everyone else.  You have a lot of options when shopping around.  If space is an issue, you can get a foldable exercise bike that can simply be stored under your bed after each use.  If price is more your concern they have many cheap exercise bikes for sale that you can save some money on, or even used exercise bikes.  We all know how many times other people will buy things that they only use a couple times and then sale them.  If schwinn is not your thing there are some other popular brands.  You could look for a Lifestyle, Proform, Marcy, Kettler or Weslo exercise bike.