Responsive, nimble and FUN! The original Stand Up Bike is our smallest, lightest and most portable bike. Don’t let its size fool you! The ElliptiGO SUB delivers a killer full-body workout in less time that a traditional bike and with no discomfort! From commuting to calorie crushing, the SUB offers a sporty riding experience and will put a smile on your face as you conquer climbs, get fit fast and zip towards your goals.