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Customers say

Customers find these adjustable dumbbells to be better than Bowflex 552s, with easy setup and adjustment from 5 to 50lbs, and consider them great value for money. The build quality is solid, and they work well with bodyweight motions and benches. Durability and weight retention receive mixed feedback – while some say they hold up great and are secure, others report them breaking easily and getting stuck in the cradle.

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206 customers mention quality, 181 positive, 25 negative

Customers find these dumbbells to be of good quality, comparing them favorably to Bowflex models.

At first blush, this is a great product. I was really excited to try it out and in many ways it worked very well. The weight adjustment is easy….Read more

These are great dumbbells, very quick to change weights. It’s a bit pricy though.Read more

…Was looking to save money but still get good quality, and I think these are easier to use because it adjusts from the hand and not from the outside….Read more

…All parts were sturdy and well made/constructed; 2. Similar to number 1, that the weights had zero to minimum movement while working out; 3….Read more

177 customers mention ease of use, 167 positive, 10 negative

Customers find the dumbbell set easy to use and assemble, with simple setup and adjustment.

These are a solid product and easy to use. They also save money and space over storing a set of individual dumbbells at 5 pound increments….Read more

These adjustable dumbbells are ideal for home strength training. Easy and quick adjustment for varying weights of different exercises….Read more

Easy to assemble, sturdy, and adjusts quickly to your desired weight with quick turn of your wrist. Highly recommended! fa real, fa realRead more

The dumbbells are very easy to use and have comfortable grips. Very solid and durable.Read more

163 customers mention ease of adjustment, 150 positive, 13 negative

Customers find the dumbbells easy to adjust, being able to change between weight settings quickly and ranging from 5 to 50lbs.

…By the way, these are the exact same adjustable Dumbbells marketed as "Twistlocks" under another name that is charging up to $595.00 for a…Read more

Best hands down for home use, so easy to adjust, well built, and compact. I would recommend spending the extra money for the stand as well.Read more

These are quite literally the best adjustable dumbbells I’ve purchased. The grip is great and the material used for the dumbbells feel very premium.Read more

These are excellent adjustable dumbbells. They are easy to change weights with the twist lock mechanism. They are sturdy….Read more

109 customers mention value for money, 91 positive, 18 negative

Customers find the dumbbell set to be a great value for money, describing it as a solid purchase.

…So far are holding up great! Totally worth the money when you consider how much it would cost to buy individual dumbbell sets from 5-50lbs….Read more

Super easy to use. Easy set up. Great Value!Read more

…doing extensive research and the Core adjustable weights are worth every penny….Read more

These dumbbells are great for the price….Read more

104 customers mention build quality, 88 positive, 16 negative

Customers appreciate the build quality of these dumbbells, describing them as solid and sturdy, with one customer noting the mechanical connection feels secure.

…if the manufacturer listened to feedback, & came back with a , sturdy, straighter Grip, durable / all-metal improved version of these things!!! :…Read more

…I settled on these. They are, by far the best out there. They are solid. They switch from weight to weight smoothly and seamlessly….Read more

…The dumbbells feel solid and well-balanced in hand, with a comfortable grip that works for both strength training and higher-rep workouts….Read more

…Compact and sits in the corner on the floor stands, very well made. So far so good, I've had them for about a monthRead more

98 customers mention functionality, 85 positive, 13 negative

Customers find that the dumbbell set functions well, with one customer noting that the dialing system works really well.

Owned for a week so far. Works great. Quality. Manual says not to drop from any height so I treat these carefully. Would recommendRead more

I looked at several different brands of advisable dumbbells. These work great and are easy to assemble and use. Haven’t had a single issue with them….Read more

…Worth it. -Update, still work well, no issues, am still very careful with them though.Read more

Great product. Works well….Read more

106 customers mention durability, 42 positive, 64 negative

Customers have mixed experiences with the dumbbells' durability, with some reporting they hold up great and are perfect after months of heavy use, while others mention issues with 5lb plates breaking off and the dumbbells falling apart.

…dropped one from maybe 3 feet and it completely cracked and fell apart and now it's useless….Read more

…The Core Home Fitness adjustable dumbbells are expertly-designed, durable, and simple. I did my research before buying, and I'm glad I selected Core….Read more

Broke after a few months. In middle of a set and a weight falls off the dumbbell. Junk!Read more

After 3 weeks of in-home single user usage the weights started falling off one of the dumbbells….Read more

83 customers mention weight retention, 25 positive, 58 negative

Customers have mixed experiences with weight retention: while some report that the plates are very secure and click satisfyingly back into place, others mention that the weights tend to get stuck in the cradle.

Weights fall off easily – just putting them on the ground with any force more than a soft touch makes them fall apart….Read more

Regularly does not disengage the base.Read more

…The adjustment mechanism is slick and easy to use. The weights feel secure and to not make much noise during use….Read more

…had with it so far is when it accidentally fell off a bench the plates slid off and when I put them back on the adjustability of the dumbbell was…Read more


Excellent adjustable dumbell set, if you're looking for your first set this is the one.

5 out of 5 stars

Excellent adjustable dumbell set, if you're looking for your first set this is the one.
I've been building out my home gym since my kids have picked up and rekindled my passion/hobby for weight lifting. These are my second set of adjustable dumbbells, my first set are the Pro Forms which are fine but if I had done more research I wouldn't have gotten and would have gotten these instead. It's ok though since there's three of us working out it helps to have multiple sets. Theres two big advantages these have over the Pro Form, first is ease of adjustment, just twist the handle, done. Second is 5 lbs vs 10 lbs increments which was the primary motivator to get this set and why I wouldn't have gotten the Pro Form if I had known about this set. (I was in a bit of a hurry, like I said the Pro Forms are fine, but just wish they had 5 lbs increment instead.) Couple of things to note, I wish the handle was knurled steel but that's a personal preference and for me one area where the Pro Forms have an advantage, but this is a personal preference, not really functional though we'll see how the handles on these fare over time. Assembly was easy, the weight selection mechanism is actually kind of ingenious. It feels well made but the core is made of plastic, so it can only feel so well made but that's what helps to keep the cost down of these amazing dumbbells. One thing of note when you're using them you need to be mindful of positioning when returning the dumbbells to the carrier/remaining weight plates. Same for when you take them out, sometimes they'll get stuck. However this problem isn't unique to these dumbbells. Overall, 100% would recommend.

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Top reviews from the United States


  • Reviewed in the United States on February 17, 2019

    I never do anything half-*ssed regarding significant purchases, i.e., I research professional reviews and also get a take for personal reviews, especially the negative ones. Essentially, I gather my information and determine what is and what isn't important. Same deal with these weights . . . So, this is what I determined about what was really important to me: 1. All parts were sturdy and well made/constructed; 2. Similar to number 1, that the weights had zero to minimum movement while working out; 3. The weight set was "compact" even when using maximum load of 50lbs; and, 4. The company supported their product with excellent customer service (note: I do not know this personally, but from what I have read, they do a good job of this).

    All of the aforementioned were answered positively by what I read and reviewed. So, what was my first impression? The delivery was on time and the packaging was excellent. Two boxes were delivered to my door, and I had zero issues with the boxes/packaging. Assembly was simple. Fast forward to working out everyday (upper body one day and lower body the next) the last few weeks and I am extremely impressed with my weight set. Why? First and foremost, I discovered for myself what others had already discovered – this is a quality weight set, with little to no movement of the weights while in motion; and the set is compact, where someone lean like myself can easily maneuver the weights while doing various exercises. For example, when you are doing overhead tricep extensions with one weight at maximum weight (50 lbs), it is very important that you have a good two handed grip while maneuvering into the overhead position. I was concerned before buying the weights that the adjustable mechanism would interfere or not be comfortable either during the process of getting into the position or actually doing the tricep extension exercise. NO WORRIES . . . IT IS QUITE COMFORTABLE – BOTH GETTING INTO THE POSITION AND DOING THE ACTUAL EXERCISE. Regarding the actual adjustment mechanism, it is well made and so simple to use. One turn of the wrist and you move the weight dial up or down. Simple.

    The only issue – a minor one – is removing the weights from the floor rack when you exceed approximately 25 or more lbs. This is simply rectified by using your foot on the side bar of the rack. Quite frankly, more times than not, it never happens if you remove the weights in a firm and deliberate manner.

    Conclusion? I am quite impressed with this adjustable weight set. Price was outstanding, as I only paid $249.91 and I am fairly confident that this weight set will last the rest of my life due to the quality of materials used to make this set.

    Customer image


    5.0 out of 5 stars

    Great Adjustable Dumbbell Weight Set!

    Reviewed in the United States on February 17, 2019


    I never do anything half-*ssed regarding significant purchases, i.e., I research professional reviews and also get a take for personal reviews, especially the negative ones. Essentially, I gather my information and determine what is and what isn't important. Same deal with these weights . . . So, this is what I determined about what was really important to me: 1. All parts were sturdy and well made/constructed; 2. Similar to number 1, that the weights had zero to minimum movement while working out; 3. The weight set was "compact" even when using maximum load of 50lbs; and, 4. The company supported their product with excellent customer service (note: I do not know this personally, but from what I have read, they do a good job of this).

    All of the aforementioned were answered positively by what I read and reviewed. So, what was my first impression? The delivery was on time and the packaging was excellent. Two boxes were delivered to my door, and I had zero issues with the boxes/packaging. Assembly was simple. Fast forward to working out everyday (upper body one day and lower body the next) the last few weeks and I am extremely impressed with my weight set. Why? First and foremost, I discovered for myself what others had already discovered – this is a quality weight set, with little to no movement of the weights while in motion; and the set is compact, where someone lean like myself can easily maneuver the weights while doing various exercises. For example, when you are doing overhead tricep extensions with one weight at maximum weight (50 lbs), it is very important that you have a good two handed grip while maneuvering into the overhead position. I was concerned before buying the weights that the adjustable mechanism would interfere or not be comfortable either during the process of getting into the position or actually doing the tricep extension exercise. NO WORRIES . . . IT IS QUITE COMFORTABLE – BOTH GETTING INTO THE POSITION AND DOING THE ACTUAL EXERCISE. Regarding the actual adjustment mechanism, it is well made and so simple to use. One turn of the wrist and you move the weight dial up or down. Simple.

    The only issue – a minor one – is removing the weights from the floor rack when you exceed approximately 25 or more lbs. This is simply rectified by using your foot on the side bar of the rack. Quite frankly, more times than not, it never happens if you remove the weights in a firm and deliberate manner.

    Conclusion? I am quite impressed with this adjustable weight set. Price was outstanding, as I only paid $249.91 and I am fairly confident that this weight set will last the rest of my life due to the quality of materials used to make this set.

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    Customer image

    174 people found this helpful


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  • Reviewed in the United States on August 27, 2019

    The bells are rather large — no tapering as with Bowflex — and I do wish I could add weight in 2-1/2 lb increments, at least up to 25 lbs, as with Bowflex, but as the Bowflex bar remains the same length, no matter how many weights are on it while the CF bars grow incrementally with the number of 5-lb plates attached. For lower weight exercises such as for my shoulders (after having had 4 rotator cuff surgeries, I use a set of non adjustable dumbbells and I no longer do ab exercises while hanging from a chin-up bar. Exercise is addictive. My last ortho surgeon, a "sports medicine" doctor, admitted that after breaking his arm, he was back doing curls after a week and broke the arm again, proving that even medical doctors can be as stupid as the next guy. His office is always filled with patients — most of them, these days, young women. Dumbbells can be especially dangerous, as unlike with a barbell, your arms cannot train or help each other. So, it is important to have a good set of dumbbells, and keeping in mind the dangers, unless you have the room and want to invest in a set of single dumbbells, these from Core Fitness may suit your needs and fancy. As with all good tool, you must them with respect in hopes of not dropping them and damaging the mechanism. But let's see how long they last.

    Update: NOT QUITE A YEAR. One the set did not pick up the 5 lbs weight and now will not go back into the rack. Unless I can figure our how the mechanism works and fix it, I have just thrown about several hundred bucks. Not sure if there is a warranty. Quit a SCARE. But I figured out how the mechanism worked and solved the problem. Now can use my dumbbells again. BUT BEWARE! I was on my own.

    So others who purchase this set don't get discouraged and toss the out or get frustrated and damaged the mechanism, just remove the 5# weights from the cradle, reinsert the empty bars correctly, and twist. That will release the dumbbell mechanism in the dumbbell and allow you to twist it until all the weights are off. Then reload the 5# endplates and — voila! — you are back in business.

    UPDATE: Had these since July 2019 — almost three years — and used them regularly 3-days a week. Still just as good as new. Great investment. I've been exercising with weights since I bolstered my Charles Atlas exercises with those of Mr. America (1947) Steve Reeves, and I can tell you that these are the greatest development since Atlas introduced the "dynamic tension" for fast and convenient and cheap muscle building.

    Update: 6/24/22. Still going like the Energizer Bunny! I have to admit, I dropped one and thought it broke. But I fixed it in minutes by taking it back to no plates, then adding plates. Contrary to some raters, I would rate these as tops. As for the company that makes them, I can't say, as I have no complaints. Nor can I make a comparison, with similar dumbbells by other makers. All I know is these do everything claimed and more.

    70 people found this helpful


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  • Reviewed in the United States on October 20, 2025

    One of the best purchases I've ever made on Amazon. I researched all the adjustable dumbells I could find and these had the best of everything. They adjustable from 5 to 50lbs in 5lb increments with a firm, positive twist and click. They are the perfect size, not as long as the bow flex ones. Nice and compact. Grips feel great. The stand is a must have in my opinion, bc it makes the adjustments much easier and the stand is the perfect height.

    4 people found this helpful


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  • Reviewed in the United States on September 17, 2020

    Price on Amazon inflated due to the pandemic and desire of many to workout outside the gym.
    Aside from that, I am very satisfied with the dumbbell set. 1 Center grip adjustment for each dumbbell works like a charm quickly and seamlessly and more conveniently than other brands. I also like the flat end plates which make it easier to place on your lap between sets unlike some other brands. Very easy to lift off the tray, and fits perfectly when returning back into tray. Don't drop dumbbells! Be gentle when laying them down so they last many years.
    This saves space in my small NYC apartment from having to own multiple dumbbell sets 5 – 50 lbs.
    5 to 50 pounds is plenty. For any higher weights I would just buy a couple of separate dumbbell weights. This is because for me I am a little wary about lifting this type of apparatus over my head at very high weights for safety reasons.
    I would recommend buying the stand for those individuals with back problems to avoid having to pick up dumbbells
    off the floor.
    Assembly very quick and easy. 5 stars for CORE HOME FITNESS!!

    2 people found this helpful


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Top reviews from other countries

  • Chris
    5.0 out of 5 stars

    The best of the best.

    Reviewed in Canada on October 27, 2025

    Best set of dumbbells money can buy. They are very intelligently designed, perfectly balanced and can be used by anyone. 10/10 recommendation for this product.

  • Damian Polan
    5.0 out of 5 stars

    Great plates

    Reviewed in Canada on March 4, 2021

    Down plates came cracked but the sellers replaced them. Great set of dumbbells.

  • C. Shannon
    5.0 out of 5 stars

    6months in and love them.

    Reviewed in Canada on September 9, 2021

    We've been using these dumbells in our home gym for 6 months and we're super impressed. The weights are easy to select/change and are sturdy out of the base station. What's really assuring about them is that the weights slide into V-shaped slats. So when I'm on a bench and the weights are over my head its re-assuring to see that they're secured by more than just the locking pin. "IF" there were ever a failure the weight likely wouldn't fall on me…because the V-shaped groove wouldn't allow it.

    The weights have remained locked during 'fast' (snap type) exercises and the handgrips have a moderate texture that provides grips without being as aggressive as knurling.

  • Mr.P
    5.0 out of 5 stars

    Works great until they broke, expensive. Very fragile be very careful with them.

    Reviewed in Canada on February 7, 2020



    The media could not be loaded.

    fonctionnent très bien.

    Mise a jour. 2 month later
    Update: 2 months later
    Selcted 10 lbs One of then broke from 1 feet high fall working abs with weight between my feet.
    Very fragile weights. 👎🏾

    One person found this helpful


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  • KrisAnns
    4.0 out of 5 stars

    Great product

    Reviewed in Canada on February 12, 2020

    These things are great got here fast. Super easy to use only complaint is when 50lb is selected they don’t want to come out of the sleeve.



Product Summary: Core Fitness® Adjustable Dumbbell Weight Set by Affordable Dumbbells

From CORE FITNESS
Pair of adjustable dumbbells with quick and easy weight adjustments from 5 to 50 lbs each
Quick change weight adjustments with TwistLock technology. Allows you to change weight setting with 1 hand. Set dumbbell in cradle, twist the handle and weight changes quickly and safely.
Contoured, textured and soft grip handle design provides comfortable and secure grip control
Compact deisgn allows you to store and use dumbbells anywhere while still getting the true dumbbell feel.
2 Year Parts Warranty

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