... , 10, 12.5, 15, 17.5, 20, 22.5, 25, 30, 35, 40, 45, 50, and 52.5 pounds. The gradual ... or to increase quickly to bulk up. Customers will find 30 plus exercises that can be done using the Bowflex SelecTech Dumbbells ... , 10, 12.5, 15, 17.5, 20, 22.5,25, 30, 35, 40, 45, 50, and 52.5 pounds.The Bowflex ...