The best type of exercise bike depends on your goals, fitness level and how the bike will be used. Upright and recumbent exercise bikes are the more typical gym floor bikes, enabling structured, steady cardio that suits a broad range of users. Other options include spin/studio bikes, also known as indoor cycling bikes, which are designed to replicate road cycling and support everything from rhythm to endurance and performance cycling. These are commonly used for class-based workouts. Another option is a HIIT bike, which uses air resistance and responds directly to effort, making them ideal for shorter, high-intensity intervals and conditioning