From the Nautilus Performance Series comes the U618 Upright Bike. The U618 customizes workouts specifically to you with 29 unique workout programs that defer to your unique training method. Travel the world while you train with the Explore the World app that lets you explore short and long courses all around the globe. The U618 is packed with features to minimize the impact on your body included an optimized drive train for smooth start up, a multi-position seat with Nautilus Gel™ cushioned technology, and resistance controls integrated into adjustable forearm supporting handlebars.