Keiser M3i Total Body Trainer elliptical exercise bikeElevate your training with the Keiser M3i Total Body Trainerdesigned for athletes and cardio enthusiasts who demand a full body workout. This powerful machine targets both upper and lower body simultaneously or independently, perfect for HIIT, endurance, and rehab. Built on the trusted M3i platform with Keiser Integrated Technology, it lets coaches track performance in real time for optimized progress. Whether youre burning calories, building