The M3i Total Body Trainer – the latest addition to Keiser's Cardio-M seriesThe Total Body Trainer offers users an unprecedented experience. The M3i offers the same lightweight magnetic resistance system as the M3i Indoor Bike. It's perfect for those who want a full-body workout, or who want to train the upper or lower body separately. The benefits of the Total Body Trainer at a glance:   ; V-shaped frame for users of all body shapes and sizes   ;  ; magnetic resistance for a smooth, silent workout   ; infinitely variable resistance adjustment