1. the adjustable weight from 5lbs to 52.5lbs 2.2011 new model,much nice apperance ... bowflex dumbbell 552adjustable dumbbell 552, weights adjust from 5 to 52.5 lbs, MOQ:60 pieces; customer brand acceptable Dumbbell ... 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 ... 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 ...