Looking for the best Indoor Cycling Classes in Norman, OK? Here's what to Look For Before You Book. Indoor cycling has become one of the most popular group fitness workouts—and for good reason. It's challenging, low impact, energizing, and accessible to a wide range of fitness levels. If you're searching for the best indoor cycling classes in Norman, Oklahoma, you'll find several options. But not every cycling class offers the same experience. Here's what to look for before b