The FitWet Jet Bike combines an exercise bike and a hot tub


October 8, 2012

The Jet Bike has a water bottle holder

The Jet Bike has a water bottle holder

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Relaxation and vigorous exercise rarely coexist, but the FitWet Jet Bike brings them together – sort of. The contraption is a unique piece of exercise equipment that combines a stationary (underwater) bike with a personal jetted tub. Exercise just got a little more attractive.

It's no secret that underwater workouts have fitness advantages over regular workouts. Due to the increased resistance of water versus air, walking in the water provides a more intense workout and burns more calories than walking on dry land. Water also serves as a sort of natural shock absorber, helping to limit stress and pain on joints.

So if walking underwater is a better workout, why not cycling? Well mostly because riding a bike underwater would be difficult, uncomfortable and, maybe, outright impossible. It also wouldn't be too forgiving on the bike.

The Jet Bike experiments with the concept of underwater cycling. It is designed to work underwater, FitWet claims that 30 minutes of Jet Biking is equivalent to two hours on a standard bike. The Jet Bike is designed to work your quads, butt muscles, thighs, abdominal muscles, calves and more, with FitWet claiming it burns up to 800 calories an hour.

Like walking underwater, the Jet Bike also offers a comfortable, low impact workout environment. The water keeps you cool and comfortable despite the added challenge. Best of all, its 12 jets massage and relax your muscles while you pedal. They're also supposed to help reduce cellulite – but doesn't everything? Either way, a whirlpool spin certainly sounds better than a grueling, up-and-down ride in mid-summer heat.

The cyclist controls the Jet Bike by way of an interactive touchscreen, which also displays both heart rate and calories burned. You can't politely wipe your sweat off this particular exercise bike, but you are expected to flush – the bike is designed to flush out the water after each use, preventing it from become a festering pool of salty sweat water.

FitWet didn't respond to several inquiries about availability and pricing, but we're guessing it'll be significantly more than the standard exercise bikes collecting dust in homes around the world. A gym like the one in the video below would be an ideal place to try before you buy. We'll just go ahead and wait for one of those to open up in our neck of the woods. Until then, we'll have to be content with a post-ride dip in the hot tub.

Souce: Fit Wet

About the Author
C.C. Weiss Upon graduating college with a poli sci degree, Chris toiled in the political world for several years. Realizing he was better off making cynical comments from afar than actually getting involved in all that mess, he turned away from matters of government and news to cover the things that really matter: outdoor recreation, cool cars, technology, wild gadgets and all forms of other toys. He's happily following the wisdom of his father who told him that if you find something you love to do, it won't really be work. All articles by C.C. Weiss

Interesting idea but an 800 calories/hour work out in a hot tub would be heat exhaustion warm.

It seems like it is more about going to a gym/spa to meet other half naked people though which isn't necessarily a bad thing.


another wasteful stupid idea that the rich and famous will probable eat up

Robert Moynihan

Presumably the water would get dumped and refilled per use...otherwise, that's gonna be quite a flavorful soup in there. Judging from experience the average poseur at a hipster gym only lasts about 15 minutes tops on a bike, so that's how many gallons of water wasted?

The proposed 800 calories per hour is only good if the user actually pedaled. It's hard to imagine someone who hasn't enough willpower/discipline to spin 120 RPM's on a normal exercise bike would maintain any kind of reasonable cadence floating in a hot tub. What would be really compelling is that how high you float is dependent on your rpm. Stop pedalling, and you drown...that'll get you going I'm sure.

Gyms will also love the puddle water leading from the bike to the showers.


The concept is no novelty. It is called aquabike. Only this time, it fits in a bathtube, which can be easily used by (rich) individuals. Spas and fitness with swimming pools will obviously not use since it would be overly expensive while they can offer aquabike courses. As for other fitness clubs... well... it will add lots of extra managerial work to provide clean water (I totally agree with previous comments warning about hygiene). I am not sure clubs will be willing to go through this kind of hassle since you will have to isolate such machine and/or supervise it to make sure it gets cleaned before someone uses it. Lots of extra costs ahead...


What a waste of perfectly clean water.

Fretting Freddy the Ferret pressing the Fret

Everyone seems to be worried about the wasted water. It is unnecessary. Recycled water has been required for use in all car washes in California for many years. Watering lawns and plants there , can only be done with "grey water" not tap water, and filtering the water is not difficult, or expensive, it has been done in swimming pools for a very long time. Several bike tanks could have a common filtering/treatment system, and falling waste water can also be used to recover some of the electric power used. (at least one of these waste water turbines was featured on Gizmag) (Ed. This might be what you're thinking of: Water can be used several times, and in several different ways before it must be run through a city purification process.


Thank you, that is one such device I can recall, there is also a gutter downspout version made already that uses rain water to charge batteries and such. There is also no reason I can see, why the bike itself could not generate power, while it is in use. It already has feedback on heart rate and calorie count, so why not put the calories to work?


Surely, this is an excuse to wear less clothing at gyms for the "I work out to be see" crowd.

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