For time: 24/18 Calories of Assault Bike 12 Devil's Presses (50/35 lbs) 20/14 Calories of Assault Bike 10 Devil's Presses (50/35 lbs) 16/10 Calories of Assault Bike 8 Devil's Presses (50/35 lbs) 12/6 Calories of Assault Bike 6 Devil's Presses (50/35 lbs)