so even if you only select 15 pounds, you’re stuck holding an awkward and poorly-balanced 16.5-inch long dumbbell (as opposed to the 10.25-inch length of the MX dumbbells at the same weight).

Pick your poison: Five-pound tricep kickbacks or 25-pound ... but you can definitely squeeze in a set of adjustable dumbbells. And as of Dec. 16, you can snag the CAP Barbell Adjustable Dumbbell ...