V fit atc 163 deluxe aerobic training cycle the v fit atc 163 deluxe aerobic training cycle allows you to burn calories in a shorter period of time these cycles work on your endurance whilst providing a cardiovascular workout not only does this equipment help to shape an tone your legs but also works on your abdominal muscles it is ideal for a person who cannot use treadmills or elliptical trainers due arthritis as it keeps the pressure off the knees feet key features tubula