There seems like there are a million different ways to get you fit and stay in shape nowadays. Sure, you can stick with boring old jogging or a plain Jane Stairmaster, but who wants to do that? You need to have a bit of excitement when you're strengthening those calves. The Aerok Bicycle might just offer that stimulation you need to take your mind off the muscle burn.
Rather than sitting up right as you would on a conventional bike, the Aerok Bicycle is designed to allow the user to lie flat on their stomach while they pedal away. Though to me this seems a much harder workout, it is likely that you will work more muscles at a time, giving you a more complete exercise. Just don't fall asleep at the wheel.
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Designer Concept Bicycles
Chic Folding Bicycles