Choose our U30 Upright Bike for a combination of advanced ergonomics, stability, comfort and versatility that will make your next ride your best ever. A convenient step-through design features our exclusive Dual Form Frame and Comfort Arc Seat. The Matrix U30 upright bike is a quality, affordable upright exercise bike with the XR console featuring a clean, bright display that makes it easy for you to check your workout data at a glance, keeping you on track to reach and surpass your goals.