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Ready to beef up your arms and your home gym? It may be time to invest in a set of adjustable dumbbells. Bowflex offers two models that are both super popular, making it kinda hard to decide which one to get.

These futuristic-looking weights feature weight disks that can be added and removed to adjust the weight of the dumbbell — so not only do they look like they’re from outer space, they save space too!

We’ve taken a head-to-head look at both models to help you decide which one’s best for you. Either way, you’ll be on an express train from the no-flex zone to the Bowflex zone.

SelectTech 552 DumbbellsSelectTech 1090 Dumbbells
replaces 15 sets of weightsreplaces 17 sets of weights
adjustable from 5–52.5 lb eachadjustable from 10–90 lb each
comes with a base for each dumbbellcomes with a base for each dumbbell
best for beginners or home gym n00bsbest for more advanced weightlifters and leg lifts
Orders can take up to 4 months to be fulfilled on the Bowflex website.You have to be on the waitlist to place an order and will get an email when it’s your turn.

These beefy-looking dumbbells can replace a whopping 15 sets of weights.

Each dumbbell adjusts from 5 pounds all the way up to 52.5 pounds in 2.5-pound increments (get it?? 552!), meaning you get the benefits of the entire weight rack — without the entire weight rack.

Each dumbbell sits on a base, and you can change the weight just by adjusting the dial on each side of the dumbbell. Weight plates will either snap into place on the dumbbell or be released onto the base, depending on the weight you choose.

This is helpful because — as any “getting buff” buff will tell you — you can’t just stick to the same weight and expect to see ongoing results.

While you’ll see benefits from lifting 5-pound DBs early on, eventually you’ll reach a point where you’ll need to lift more weight to keep making progress.

Also good: These dumbbells are designed to be quiet, with molding between the plates that keeps them from banging against each other or against the base.

That makes these babies a worthwhile investment for anyone looking to maintain a long-term strength routine without leaving the house. Even better: You can use the Bowflex SelectTech app for access to tons of workouts. Think full-body, arms, chest, legs, back, head, shoulders, knees, and toes… You name it, they’ve got it.

The one catch? According to the website, orders could take up to 4 MONTHS to ship. Thanks, ridiculous pandemic demand! But if you’ve really gotta have these sooner, you can pay double for a set on Amazon (which currently sells single dumbbells for the same amount a pair costs on Bowflex’s website).

552 Pros

  • fully adjustable dumbbells featuring interlocking weight plates and a base
  • space-saving and ideal for home gyms (replaces 15 pairs of weights!)
  • adjustable from 5 pounds all the way up to 52.5 pounds per dumbbell
  • clank-free (well, a pro for everyone except the weird gym grunters)
  • great for weightlifting beginners

552 Cons

  • ridiculous demand! (Place an order today and you might get it in 4 months. 🤷)
  • may not be ideal for intermediate and advanced weightlifters, who might outgrow these dumbbells and require heavier ones
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The Bowflex SelectTech 1090 dumbbells are the 552s’ jacked cousins. They’re adjustable in 5-pound increments from 10 pounds all the way up to 90 pounds (each!). And they’re great for leg lifts — which are typically performed with more weight than you’d lift with your arms. In all, the set can replace 17 complete pairs of dumbbells.

Just as with the 552s, each of the 1090s sits on its own base, and you can use the weight selection dial to add or remove weight plates as needed to get the weight you need. And they’re whisper-quiet, to boot.

While beginners can use the 1090s, the wide range of weights makes these dumbbells a better fit for people who are already used to weightlifting and do tougher workouts.

As with the 552s, you can pair the 1090s with the Bowflex SelectTech app to really get it poppin‘.

But here’s what you need to know about ordering these: Like their lighter cousins, the 1090s are super popular. In fact, you have to add your email to the waitlist on the Bowflex website. Because demand is so high, purchase links are sent directly to people on the waitlist in the order they’re added.

Alternatively, like the 552s, the 1090s are available sooner on Amazon — for the low, low price of DOUBLE. 🙄

1090 Pros

  • fully adjustable (just like the 552s)
  • replaces 17 sets of weights (If all the space you have for a home gym is a corner in your bedroom, you can still make it work.)
  • adjustable from 10 pounds to 90 pounds (per dumbbell) in 5-pound increments
  • quiet (So go ahead and work out with your sleeping baby in the room or at midnight in your third-floor apartment… or maybe not.)
  • great for more advanced weightlifters and leg lifts

1090 Cons

  • might be too heavy for brand-new lifters
  • more exclusive than a Hollywood nightclub (To even get a chance at ordering, you have to be on the waitlist.)
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Bowflex SelectTech Dumbbells have amassed an intensely cultish following. Like pre-season 8 “Game of Thrones” or Popeye’s Chicken Sandwich levels of love. But only because they’re basically, well, the best.

They’re adjustable, with the 552s offering a range of 5 pounds to 52.5 pounds and the 1090s offering a range of 10 pounds to 90 pounds. The 552s are perfect for beginners, and the 1090s are a better pick for people who will be using the dumbbells for leg lifts and more advanced weight training. Either set makes a perfect addition to your home gym.

But if you’re hoping to get your hands on a pair within the next year, get moving. You’ll want to place your order for the 552s or get on the waitlist for the 1090s ASAP.