CAP Barbell 40 Pound Adjustable Dumbbell Review

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CAP Barbell 40 Pound Adjustable Dumbbell Review

When we talk about the CAP Barbell 40-pound adjustable dumbbells , there are many features that will make you love the equipment. Firstly, it comes with a sturdy case. The case is sturdy enough to last you years and can withstand any kind of rough handling.

It is one of the best adjustable dumbbells to carry on your trips, as the case is strong enough to protect your dumbbells. Secondly, there are locking collars. These are easy to operate even when your hands are wet with sweat.  The CAP Barbell adjustable dumbbells have a traditional old-school appearance.

Finally, the CAP Barbell 40-pound adjustable dumbbells are reasonably priced and can fit anybody’s budget! CAP is a brand that you can place your trust in. For more than 30 years, it has been a pioneer in the industry of fitness and it has locations all over the world.

These are definitely some of the best adjustable dumbbells for beginners due to the affordable price and the low maximum weight in every piece

Best Suited for Whom?

The CAP Barbell 40-pound adjustable dumbbells come at a throw-away price and are available under $80 and each piece comes at a maximum weight of about 20 pounds, which is relatively low. The CAP Barbell 40-pound adjustable dumbbells are ideal for beginners who are going to start their strength training workout sessions.

The set is sold at a combined maximum limit of around 40 pounds. However, you have the option of purchasing extra weight plates which fit conveniently onto the chrome-plated handles. If you get the right plates, each of the adjustable CAP Barbell dumbbells could move to more than 100 pounds, which is more than enough for beginners.

The CAP Barbell 40-pound Adjustable Dumbbell Set with Case is one of the best dumbbells for those who:

  • Want to begin their weight lifting with a directly adjustable set of dumbbells
  • Want a set wherein additional weights can be added on later
  • Are looking for a set of dumbbells that are affordable
  • Enjoy old school lifting

CAP Barbell 40-Pound Adjustable Dumbbell Assembly, Design & Build Quality


This CAP Barbell 40 Pound Adjustable Dumbbell comes with 2 dumbbells, four 2.5-pound plates, four 5-pound plates, 4 collars, and a plastic storage case. With all these, you can create various combinations according to your needs and workout with the best dumbbells at home. These dumbbells don’t require any kind of assembly process.

Design and Build Quality

The adjustable dumbbells from CAP consist of handles that are chrome-plated, four plates of 2.5-pound, plates of 5-pounds, and the spin on collars. These dumbbells have a storing and carrying case, which is very strong and sturdy.

The dumbbells are very comfortable to use. If you have been into lifting weights for a long period, you might have observed that few dumbbells do not give you a natural feel when you use them. These dumbbells have been added to our list of best cheap adjustable dumbbells.

Some of the dumbbells handle made of cast iron are quite rough and textured and you end up hurting your palm and fingers when you lift these dumbbells that they hurt your palm and fingers as you lift them. However, these 40-pound dumbbells from CAP do not hurt your palms.

The texturing on these handles are enough to provide a solid grip. They are ergonomically designed and are very comfortable. The weight plates of these dumbbells are round in shape. This might lead to the weights rolling when they are loaded. This can be an issue if you have kids at home. They are also rust-free and maintenance-free.

CAP Barbell 40-Pound Adjustable Dumbbell Features


This CAP Barbell Set is rust resistant and has a coating of a smooth protective finish. Many other weight plates of cast iron which are unfinished rust quickly and badly.

Weight Adjustment

These dumbbells are completely adjustable up to 40 pounds. You can create numerous weight combinations as per your requirement.

Plates and Handles

The cast iron plates can be interchanged conveniently and are very durable. They have a semi-gloss finish that prevents it from rusting. These dumbbells are maintenance-free and have a good appearance that will last a lifetime.

Finish Of the Dumbell

The dumbbells consist of cast iron handles that are durable and the weight plates have a semi-gloss finish. The dumbbell carrying case is made of black plastic and has rack storage.

Rack Storage System

You can organize your CAP 40 lb adjustable dumbbell set neatly with the storage box that is included with the set and this also makes the dumbbells easily accessible. The case is made up of heavy-duty plastic.

The sturdy case has placeholders to store all the weight plates and pieces and also has a secure-closing lid, a carrying handle which makes it quite convenient to carry these dumbbells wherever you go.

Threaded Collars

The collars are threaded to give the handles a secure fit.

Professional Knurled Grips

Each steel barbell has been knurled to give its users a steady and secure hold. It can be used with either bare hands or with weight-training gloves. The knurling pattern provides more stability, safety, and comfortable experience.

Weight Range

The dumbbells are of 40 lbs each and they are great for creating different weight combinations. Each dumbbell also comes with a weight resistance of about 5 lbs – 20 lbs.

Weight Settings

Each handle weighs 5 lbs. The set consists of 4 plates of  2.5-lb each and four plates of 5-lb each. Totally the set has 7 weight settings.


Each dumbbell has a dimension of 18″ L x 9″ W x 7″ H. The packed case weighs about 41.15 lbs.

Dial system

There are in total 4 spinlock collars that are included in the CAP adjustable dumbbell set. These adjustable dumbbells cannot be adjusted quickly.

To enhance the weights, the collars have to be spun off, post which the weights can be removed and added. Then the collars are spun back again. The process is quite safe but is relatively slow.

CAP Barbell 40-Pound Adjustable Dumbbell Warranty

If the CAP Barbell brand Set is purchased from CAP or an authorized retailer, a 30-day warranty is offered on the dumbbells and it covers only any manufacturing defects.

The warranty doesn’t cover “rips, paint peeling, rust, cuts and tears, bent handles, dents, loose heads if the dumbbells are dropped or other signs of misuse like knocking the dumbbells together“.

CAP Barbell 40-Pound Adjustable Dumbbell Pros & Cons


  • They are affordable and inexpensive
  • It comes with a sturdy case
  • The storage case is quite compact and convenient
  • It has 7 weight settings
  • It comes with a spin on collars
  • The dumbbells are rust-free and maintenance-free
  • The handles are very comfortable


  • The handle ends can hurt
  • The weights cannot be changed swiftly
  • The weight plates have a round shape and this might be an issue if you have kids, as the plates can roll off.


The CAP Barbell 40-pound adjustable dumbbells are recommended for beginners. They are economical and travel-friendly. The dumbbells are rust-free and you do not have to worry about maintaining these. If you wish to begin strength training, these dumbbells are a perfect choice.

They are one of the best cheap adjustable dumbbells in the market. These dumbbells are highly recommended as a beginner level dumbbell and you can keep adding weights up to 100 lbs, as you get stronger. If you are on the lookout for a good set of dumbbells, you can opt for this model.