Each Bowflex dumbbell is adjustable from 5 pounds all the way up to 52.5 pounds with 15 total increments, so it's essentially like 15 total weights in one package. The SelectTech dumbbells have been around for a long time. Many people, including myself, have used them for well over a decade with no problems. The structural components and moving parts are made of metal wrapped in plastic and rubber to protect against dings, deaden vibrations, and provide better grip. The "Results Series" is just an aesthetic redesign of the original Bowflex SelectTech 552 dumbbells that happened after Johnson Health Tech took over all of Bowflex's assets.

Free weights are a great choice for anyone who wants to work out at home but is limited on space. A pair of dumbbells is all the equipment you need to get access to a wide range of exercises that can target just about every muscle in your upper and lower body. Supplement your free weight exercises with cardio and other workouts that use your own body weight as resistance (like pushups, burpees, or squats) and you may never need to purchase more equipment.

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