Bowflex's famous adjustable dumbbells are back below $400 in time for New Year's

SAVE 31%: Amazon shoppers can now buy Bowflex SelectTech 552 adjustable dumbbells for $379, down $170 from their full list price of $549.

Bowflex first introduced its adjustable dumbbells over a decade ago, and the product has barely changed in that time. That's because sometimes brands get it exactly right the first time. And this week, Amazon has the Bowflex adjustable dumbbells deal that we've been waiting for as we approach the New Year, New You season.

As of Dec. 28, Amazon shoppers can pick up the Bowflex SelectTech 552 adjustable dumbbells for $379, a 31% discount off the full retail price of $549 for a pair. We often see these dumbbells discounted somewhere in the $400-$450 range, and we once saw them drop as low as $300, though only for a brief, shining moment of Black Friday magic. So this is a rare under-$400 deal worth considering.

Since these dumbbells first appeared on the market, Bowflex's competitors have released dozens of dupes and look-a-likes, but none that improve upon the core Bowflex design. To find a superior weight system, you'll have to go deep into premium budget territory, and we promise you won't find a better pair of adjustable dumbbells for the price. Users can adjust the weight of each of these dumbbells in 2.5-pound increments, from five to 52.5 pounds. Changing the weight is as simple as spinning the dial and clicking the locking mechanism into place. Then, you can do bicep curls, bench presses, squats, or dozens more exercises — all without leaving your home.

We know these popular adjustable dumbbells are still expensive even with a 31% discount, but considering how many other weights they can replace, we still think this is a smart investment for the New Year. These dumbbells are on sale as part of Amazon's Winter Sale, but you can shop dozens more end-of-year sales before Dec. 31 arrives.