The Jet Rower Has 16 Levels Of Resistance To Really Test Your Endurance Whilst The 19 Programs Allow For A Variance In Your Rowing Training, Whether The Workout Focus Is Sprints Or More Endurance Based Cardio. The 115Cm Glide Rail Aids Technique Through A Smooth Motion. The Ergonomic Hand Grip And Cushioned Seat Provide Comfort And Stability Allowing You To Workout For Longer And At More Intense Levels.