Life Fitness, the company that brought you the original Lifecycle™ exercise bike now introduces the Lifecycle GX. It's biomechanically designed and user-tested to ensure a comfortable yet effective workout. Plus quality construction provides long-lasting durability ride after ride. Our dedicated, in-house biomechanics team has studied human movement and machine interaction to develop a bike that stands at the head of any class. Lifecycle GX has the most in demand features and a bold rear flywheel design that cycles like no other. Engineered for low maintenance even with high volume use, this is one bike built to last. Life Fitness LifeCycle GX"