... Dumbbells have 15 weight settings, starting at 5,7.5, 10, 12.5, 15, 17.5, 20, 22.5, 25, 30, 35, 40, 45, 50 ... , and 52.5 pounds. The gradual increase ... to 52.5lbs(23.8kg). Starting at 5,7.5, 10, 12.5, 15, 17.5, 20, 22.5,25, 30, 35, 40, 45, 50 ... , and 52.5 pounds.The Bowflex SelectTech Dumbells ...