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From customer feedback, interesting two both are from Bowflex. The only difference is the weight range. I have the Bowflex Selecttech 1090 Dumbbells with regards to lighter weight and less storage usage there your Bowflex Selecttech 552 A weight load.















Fourth Routine: Dumbbell Doing curls. Performed similar to that of your standing barbell curl, but with an exception: the dumbbells sh