The Pooboo Stationary Exercise Bike is only $190 at the moment, which is down from the original price of $360. That's a discount of 47% off. Getting such a great piece of exercise equipment for ...

[Tom Stanton] wanted to build an e-bike himself, but he did it without any of the fancy electronic components. But the real gem? The weird janky motor he built to run it. The concept is simple.