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Cap Barbell Adjustable Dumbbell Weight Set | Multiple Options

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Strength & Resistance Gear

$128.56

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$128.56

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Customers say

Customers find these adjustable dumbbells to be good quality and worth the price, particularly noting they are cheaper than quick select weights. They are sturdy and effective, with one customer mentioning they work well for beginners trying to get stronger. The adjustability receives mixed feedback, with some finding them easy to adjust while others report issues with the securing rings getting stuck. Customers report significant durability concerns, with paint peeling off the weights, and compatibility issues, noting that the handles don't fit standard plates and the bar is slightly larger than standard 1" diameter.

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132 customers mention weight, 107 positive, 25 negative

Customers are satisfied with the dumbbells' weight, describing them as a great set with good quality.

Good weights. Only downside is they take time to change if you are trying to do a superset or are in a rush….Read more

Great product. Very nice set for the price at just over $1 a pound. Also surprisingly great quality handle with impressive knurling….Read more

Great set. I tried the adjustable weight. Don’t bother. So easy to change weight.Read more

Good, sturdy dumbbells, unfortunately arrived without one of the collars and one of the smaller weights….Read more

68 customers mention value for money, 55 positive, 13 negative

Customers find these adjustable dumbbells to be worth the price, noting they are much cheaper than quick select weights and consider them a solid deal.

Bought the 105 pound pair. It did not have handles. Just plates. Good value, but I want some handles to use them….Read more

One of the best things about this set was its reasonable price….Read more

Great value!Read more

Great priceRead more

31 customers mention effectiveness, 26 positive, 5 negative

Customers find these adjustable dumbbells effective, with one customer noting that the threaded nut retainers work smoothly, while another mentions they are great for beginners trying to get stronger.

Love these dumbells, simple and effective. I would highly recommend getting a rack for the plates if you don't have one already….Read more

…Pros: The knurling is good, nothing special, gets the job done. These work with and without chalk as well as with straps….Read more

…younger son had ordered this set earlier in the year and really likes lifting with these. So we decided to get our older son a set for Christmas….Read more

Amazing weights works well great for beginner that is trying to get stronger, it was easy to put together, I will say the package was damaged and…Read more

19 customers mention sturdiness, 19 positive, 0 negative

Customers find the dumbbells sturdy, with one customer noting the steel poles that hold the weights.

Solid. 47.5lbs of free/adjustable weight per dumbbell plus 5lbs bar. Arrived in two packages (same deliver). Great product.Read more

Steel poles that holds the weights. Is very strong. Its not bowing in the middle. So, far my son is also using them and enjoying too.Read more

Good, sturdy dumbbells, unfortunately arrived without one of the collars and one of the smaller weights….Read more

…It’s easy to change the weights, and the plates feel sturdy….Read more

46 customers mention adjustability, 26 positive, 20 negative

Customers have mixed experiences with the dumbbell's adjustability, with some finding it easy to adjust and convenient for different exercises, while others report issues with the securing rings getting stuck.

Very stable and easy to adjust. Slightly bulky but gets the job done. Slightly difficult to use but overall a good buyRead more

Great set. I tried the adjustable weight. Don’t bother. So easy to change weight.Read more

Great set of adjustable dumbbells that are a space saver….Read more

…-The dumbbell handle as well as the spin lock have little rubber inserts that come loose early on, easy to reinsert though and doesn't really have…Read more

40 customers mention durability, 7 positive, 33 negative

Customers report durability issues with the dumbbells, noting that the paint peels off and the weights chip, with one customer mentioning that the fragments can cut users.

…My workout area is outside and plates are rusting a lot faster than I’m used to, I normally paint them once a year but the factory paint only lasted…Read more

…The coating on the plates are horrendous. They will chip and continue to chip until plates are exposed. For the cost you can find quality elsewhere.Read more

…The paint has been chipping since day 1 and is sharp so beware, the grips pretty rough is really rough but very grippy, and the weights will loosen…Read more

the weights chip and the fragments cut you. the handles and the weights are NOT the 1" standard as advertised, so upgrading is impossible….Read more

19 customers mention fit, 2 positive, 17 negative

Customers report that the dumbbells do not fit standard one-inch plates and have loose weight locks.

The dumbbells are well made and durable; however, the dumbbell handles don't fit standard plates….Read more

Not a 1 inch diameter bar. They are larger than 1 inch and will not fit 1 inch plates. The product description falsely lists them as 1 inch bars.Read more

…some of the plates arrived scratched already, and one does not fit on either of the two handles. We will see how CAP customer service is….Read more

the weight locks on these are super loose fitting. They work and you can use them without injury. but can be irritating and worrisome….Read more

19 customers mention non-standard size, 4 positive, 15 negative

Customers report that the dumbbell set has a non-standard size, with the bar being slightly larger than the standard 1-inch diameter.

NOT Standard SizeRead more

Not standard diameterRead more

Not a 1 inch diameter bar. They are larger than 1 inch and will not fit 1 inch plates. The product description falsely lists them as 1 inch bars.Read more

…Plus, it's compact and easy to store. Highly recommend for anyone looking to elevate their fitness routine!Read more



Must

5 out of 5 stars

Must
Very stable and easy to adjust. Slightly bulky but gets the job done. Slightly difficult to use but overall a good buy
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Top reviews from the United States

  • Cory Goodrich

    5 out of 5 stars

    I like them

    Reviewed in the United States on April 5, 2026
    Size: 105 lb Set -Two HandlesColor: Black, 105 LB, Pair

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    These work really well for what I need them for. Some of the weights have small tiny tiny chips in them, but it really doesn't bother me. Small enough there is no way to tell a difference purely cosmetic. If you do roll them on the carpet or ground, the lock will come a tad loose. But for the price these are pretty good.

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  • David L Ponce

    5 out of 5 stars

    Exactly what you looking for

    Reviewed in the United States on July 18, 2026
    Size: 105 lb Set -Two HandlesColor: Black, 105 LB, Pair

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    For the price these areas are 10 out of 10. Material really solid very satisfied with my purchase.

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  • Small for me

    5 out of 5 stars

    Work well

    Reviewed in the United States on August 16, 2026
    Size: 105 lb Set -Two HandlesColor: Black, 105 LB, Pair

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    Great first set of dumbbells. They work well for my wife.

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  • Tasnim

    4 out of 5 stars

    Great product. Wish the changeability was better though.

    Reviewed in the United States on August 12, 2026
    Size: 105 lb Set -Two HandlesColor: Black, 105 LB, Pair

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    These are great, however just two points to consider if you are buying.
    1). They take a while to change weights, simply because these are spin lock based. So you will spend a lot of time changing weights when you need to.
    2). The weight plates are somewhat larger than 1" and so are the handles. Which means, you will not be able to get more plates and limited to the 52.5lbs per handle.

    However, overall I really like them and they fit my purpose. I don't plan on lifting super heavy, just need to stay in shape and healthy.

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  • Amazon Customer

    5 out of 5 stars

    Solid product for a home gym

    Reviewed in the United States on July 7, 2026
    Size: 105 lb Set -Two HandlesColor: Black, 105 LB, Pair

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    Solid. 47.5lbs of free/adjustable weight per dumbbell plus 5lbs bar.
    Arrived in two packages (same deliver). Great product.

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  • John Reeves

    3 out of 5 stars

    Decent Cheap Dumbbells – Read Before Buying

    Reviewed in the United States on June 17, 2023
    Size: 105 lb Set -Two HandlesColor: Black, 105 LB, Pair

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    These dumbbells might be what you're looking for if you're starting a home gym and don't have the space and money for static weight dumbbells or high-end adjustable dumbbells. However, there are some pros and cons that come along with the product so allow me to walk you through my experience.

    Pros:
    The knurling is good, nothing special, gets the job done. These work with and without chalk as well as with straps. If you're used to a regular barbell with knurling, it's pretty similar.

    They're super cheap. Let's be real, you're considering these because of the $1-$1.20 per pound price point.

    They save space vs. static weight dumbbells. They take up the space of give or take 2 dumbbells. When they're not loaded heavy, you have to find somewhere to store the extra weight plates, which can be a hassle, but it's manageable.

    The weights weight relatively true. I was surprised to see that these weights are fairly accurate, and the inaccuracies tend towards heavy. I liked this.

    CAP Barbell has good customer service. One of the dumbbells had an issue and I had it replaced in a few days. Definitely don't hold your tongue if something is wrong with these.

    Cons:
    Something was wrong with mine initially. One of the collars wouldn't stay on and I deduced it to be due to the bar itself. They sent a replacement promptly – see customer service pro above.

    The quality of the coating is sub-par. It will flake off a bit especially when you first get them, and some of the plates may need a 'de-burring' to get rid of sharp edges.

    Dumbbell Bench Press and similar movements will be difficult with these because the bars dig into your legs pretty bad. I recommend getting a pair of tennis balls and cutting a small X in each one, slotting them over the end you'll use as the bottom. However, when loaded to capacity, this may not work as well.

    They take a surprisingly long time to load and unload. This is a hassle, and is one of the biggest cons vs. static weight dumbbells. You may spend a couple minutes messing around with little 2.5 and 5 lb plates and the spin locks, which can take away from your workout.

    Overall: 3/5
    These dumbbells serve me decently well, I love using them for dumbbell flies, lateral raises, romanian deadlifts, dumbbell rows, and several other movements. However, their drawbacks make the price point fair – not better.
    31 people found this helpful

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  • Harry L.

    5 out of 5 stars

    Great weights.

    Reviewed in the United States on July 31, 2026
    Size: 105 lb Set -Two HandlesColor: Black, 105 LB, Pair

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    Love the old school feel of these weights compared to normal adjustable dumbbells. Only downside is they’re not easy to adjust the weights quickly since you have to unscrew and swap plates.

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  • Rex Wilson

    1 out of 5 stars

    Poor Craftsmanship!

    Reviewed in the United States on July 24, 2026
    Size: 105 lb Set -Two HandlesColor: Black, 105 LB, Pair

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    The end cap does not twist all the way on this dumbbell, making it impossible to use.

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Product Summary: Cap Barbell Adjustable Dumbbell Weight Set | Multiple Options

From CAP
CUSTOMIZABLE 105 LB PAIR – Includes 2 x 17-in handles, 4 x 1.25 lb plates, 4 x 2.5 lb plates, 16 x 5 lb plates, 4 star-lock collars; change plate combinations to match different exercises and training loads.
CAST IRON WEIGHT PLATES – High-grade cast iron plates use a black epoxy or baked-enamel finish for durable, rust-resistant home gym training.
KNURLED CHROME HANDLES – 17-Inch cold-rolled steel handles with diamond knurling provide a secure grip during strength training.
STAR-LOCK COLLARS – Threaded star-lock collars with rubber O-rings are designed for simple plate changes and help keep plates positioned during lifts.
SPACE-SAVING FREE WEIGHTS – Plate-loaded adjustability replaces multiple fixed dumbbells while supporting curls, presses, rows, squats, lunges and full-body workouts.

8 reviews for Cap Barbell Adjustable Dumbbell Weight Set | Multiple Options

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    Cap Barbell Adjustable Dumbbell Weight Set | Multiple Options
    Cap Barbell Adjustable Dumbbell Weight Set | Multiple Options

    $128.56

    Buy on Amazon
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