Indoor cycling is a popular exercise routine that involves using a stationary bike to mimic outdoor cycling. However, there are several other synonyms for indoor cycling that you may come across. These include spin class, indoor cycling class, stationary cycling, cycling workout, spin bike workout, indoor bike workout, and many more. These terms all refer to the same type of activity, with the focus being on a high-intensity workout that helps burn calories and boost cardiovascular fitness. So whether you are looking to take a spin class or cycle alone on a stationary bike, there are many ways to enjoy indoor cycling and achieve your fitness goals.