How Is A Regular Exercise Bike Different Than A Spinning Bike?

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The buzz lately is that you can burn about 500 calories, tone up and lose weight quickly by exercising for only 30 minutes on a spinning bike.
I have a regular exercise bike and cannot afford a spinning bike or classes. Would I be able to achieve the same results by exercising for 30 minutes a day on my exercise bike?
Please explain to me the difference between the two bikes and how they work differently to give different results? Continue Reading Here..)