Even those grueling indoor cycling classes were a chance to mingle.

Even those gruelling indoor cycling classes were a chance to mingle.

Anytime Fitness, a worldwide franchise, uses automated kiosks to screen immersive classes from indoor cycling to yoga.

Also consider an indoor cycling class.

Esther Gauthier, the founder of the New York boutique water cycling studio AQUA, said some 80 percent of her clients come from indoor cycling classes.

Indoor cycling fitness chain SoulCycle Holdings LLC is expected to debut later this year.