Adjustable dumbbells vs fixed dumbbells: should you go for a space-saving, high-tech product, or two lumps of metal with a handle in between? We have the answers for you here… Adding a set of ...

$399.00, Core Fitness Easy to adjust with a twist of the handle, Core Fitness's adjustable dumbbells range between five and 50 pounds. You can adjust the weight in five-pound increments ...