I've never seen or tried one of these.

The cost and practicality are a bit of a downside -- it doesn't look safe for city traffic and porting it to a trail would be a drag. On the other hand, it looks interesting because it's a whole body workout and could give a feeling like the "runner's high".

I like using the rowing machine at my gym because I can get an endorphin rush on it. It's a feeling of happiness and joy at being alive.


I haven't ridden my bike fast enough and long enough to feel a "bicyclist's high". I'm guessing some of the fast women here must feel that rush all the time, right???

Question -- If I put my road bike on a trainer and built up to a high speed for half an hour or more, would that likely crank up my endorphins???