With 80 million bikes on the road, Japan is in the middle of an unprecedented bicycle boom! It's such a familiar phenomenon of daily life - yet it conceals real dangers. At slow speeds, bikes can easily tip over. To reduce this danger, "Supreme Skills!" challenges 2 teams to come up with a bike that can travel slowly and not tip over or go off-course. One team is headed by a world-class artisanal bike-maker, the other by a robotics specialist. They compete to see whose bike can travel farthest at slow speed on a 50-centimeter-wide, 50-meter-long course - without the rider pedaling or using the handlebar!