The kettler ultimate cardio package includes three very functional and practical exercise machines the kettler run 7 treadmill the kettler skylon s folding elliptical cross trainer and the kettler s recumbent exercise bike the run 7 treadmill has a good sized cushioned running deck that folds up and great incline and speed ranges the elliptical cross trainer also folds away and both it and the recumbent exercise bike boast innovative smartphone control the machines are compatible with di