The stainless balls at the center of the Kolossos ST bearing only result in a friction increase of “a fraction of a watt” ...

The cylinder is essentially made from mesh that’s zip-tied to bicycle rims. A 1/4 horsepower motor mounted up top uses that v-belt pulley to spin the cylinder’s rims against casters that are ...

The output is the wheels turning, which causes the bike to move. When talking about ... can be used to move large objects.A simple single pulley system changes the direction of the force applied ...