RPM is a group indoor cycling workout created by Les Mills. The workout is not a race but rather a journey where you can burn upto 675 calories per session. RPM is a fun, low impact exercise. With upbeat music and lights, the instructor will take you on a journey of hill climbs, sprints and flat riding. RPM is a fun, low impact workout that builds your sense of achievement as you draw motivation and strength from the group’s energy and the music.