... dumbbell 552adjustable dumbbell 552, weights adjust from 5 to 52.5 lbs, MOQ:60 pieces; customer brand acceptable Dumbbell ... 5, 20, 22.5, 25, 30, 35, 40, 45, 50, and 52.5 pounds. The gradual increase allows the user to ... dumbbell. The weight ranges are 5lbs(2.27kg) to 52.5lbs(23.8kg). Starting at 5,7.5, 10, ... 5, 20, 22.5,25, 30, 35, 40, 45, 50, and 52.5 pounds.The Bowflex SelectTech Dumbells use a unique ...