Bowflex SelectTech 840 Adjustable Kettlebell Review (Summer 2023 Update)

Including a kettlebell to your home gym could be a recreation changer since it may well work your total physique, however you often have to buy a number of weight choices to coincide with particular actions. Until that’s, you go along with an adjustable kettlebell just like the Bowflex SelectTech 840. This adjustable kettlebell replaces six particular person bells with weights starting from eight kilos to 40 kilos, and adjusting the load is easy because it solely requires a twist of the wrist.

The $150 price ticket makes it a great choice for these on a decent funds, however that is additionally one of many market’s most accessible adjustable kettlebells, as you should purchase it at your native sporting items retailer. The compact design is good for many who don’t have a ton of obtainable house, and whereas the plastic design isn’t essentially the most sturdy, it does really feel comparatively snug in your pores and skin throughout overhead actions or goblet squats (it’s a bit softer than forged iron or naked metal). Because of the max weight of 40 kilos and the comparatively inexpensive price ticket, we predict this adjustable kettlebell is a perfect match for entry-level kettlebell athletes. 

Bowflex SelectTech 840 Adjustable Kettlebell

Bowflex SelectTech 840 Adjustable Kettlebell

This adjustable kettlebell system replaces six particular person kettlebells and options an easy-to-use dial to regulate the load so you will get straight to your exercises.

Fundamental Takeaways

  • The Bowflex SlectTech 840 replaces six particular person kettlebells with weights starting from eight to 40 kilos in four-, eight-, and five-pound increments — in that order.
  • The adjustment dial is simple to make use of and solely requires you to twist your wrist to pick out the right weight increment.
  • The $150 price ticket is common in comparison with comparable merchandise, however this kettlebell is without doubt one of the most accessible choices since you should purchase it in a number of methods — instantly by Bowflex or at your native sporting items retailer.

Bowflex SelectTech 840 Adjustable Kettlebell Video Evaluation

Our Evaluations Author, Jake, breaks down all the things there’s to find out about this adjustable kettlebell, from the options to a full demo, throughout his detailed assessment.

Bowflex SelectTech 840 Adjustable Kettlebell Highlights

  • Value: $150
  • Weight: Ranges from eight to 40 kilos (8,12, 20, 25, 30, 35, 40)
  • Supplies: Plastic with a welded metal deal with
  • Dimensions: 12.5” H x 8.8” L x 7” W

Like comparable merchandise, Bowflex designed the SelectTech 840 Adjustable Kettlebell to be a space- and money-saver. The compact design means you may stash it nearly anyplace in your house, and the truth that it replaces six particular person kettlebells saves you a piece of change. Compared, if you happen to have been to buy six Rogue Fitness Kettlebells in the identical weight vary, you’d spend round $340. $150 is a reasonably stable value level for the 840 (however you can argue that spending the identical cash on the REP Fitness Adjustable Kettlebell could also be extra “price it” because it gives a forged iron shell and deal with).

Bowflex SelectTech 840 Adjustable Kettlebell Build
Bowflex SelectTech 840 Adjustable Kettlebell Construct

Apart from the welded metal deal with, this adjustable kettlebell incorporates a plastic construct. Regardless of the plastic shell being fairly thick, that is nonetheless a reasonably fragile product within the grand scheme of issues — particularly in comparison with different adjustable kettlebells that function a metal or forged iron construct. In actual fact, Bowflex even states on the adjustment mechanism to not drop it. We don’t assume the occasional drop will trigger extreme harm, nevertheless it’s nonetheless a threat we don’t advocate you are taking. So far as the deal with goes, we discovered it to be just a little slick, however some individuals might discover that useful as you may simply rotate your hand throughout kettlebell snatches and comparable lifts. 


  • This adjustable kettlebell requires minimal house and will be saved nearly anyplace.
  • The eight- to 40-pound weight vary is good for newbie to intermediate kettlebell athletes.
  • The $150 price ticket is about half of what you’d need to pay for a set of forged iron kettlebells in the identical weight vary.


  • The plastic construct raises issues about sturdiness. 
  • The burden caps out at 40 kilos.
  • The metal deal with is fairly slick and thinner than what some athletes might want.

Coaching With the Bowflex SelectTech 840 Adjustable Kettlebell

General, we have been happy with this kettlebell throughout our coaching classes. For the reason that adjustment mechanism is easy to make use of, we may seamlessly transition from kettlebell swings to a clean and press throughout exercises. The plastic construct was additionally comparatively snug on our pores and skin when the bell was within the racked place, regardless of it not that includes the everyday kettlebell form.

Whereas we made positive to not drop it, we additionally really feel the plastic shell is thick sufficient to deal with some unintended drops alongside the best way — simply make sure you don’t make a behavior of it. The deal with wasn’t our cup of tea because it’s thinner than what we choose and a bit slick, however each traits could also be what others are searching for. 

Adjustability and Weight Choices

A perk of adjustable kettlebells is the posh of using a number of weight increments in any exercise session. Due to this, we discover it essential to have an easy-to-use adjustment mechanism, and the Bowflex 840 handed the take a look at. Because you solely want to deal with the bell in its cradle and twist the knob to the load you need, you may dedicate extra time to your precise kettlebell exercise.

In our eyes, it is a superior design to different fashions that require you to tug aside the outer shell and use a wrench to loosen a nut that holds the load plates in place — just like the Titan Fitness Adjustable Competition Style Kettlebell.

Bowflex SelectTech 840 Adjustable Kettlebell Adjustement Dial
Bowflex SelectTech 840 Adjustable Kettlebell Adjustment Dial

As soon as once more, this kettlebell replaces six particular person kettlebells — eight, 12, 20, 25, 35, and 40 kilos. This is probably not heavy sufficient for extra superior athletes, however freshmen and a few intermediate-level lifters might discover this vary to go well with them completely. Sadly, Bowflex doesn’t provide a heavier kettlebell or an enlargement package deal, so that you’ll need to look elsewhere for a heavier choice.


This isn’t an indestructible product, because it’s nearly fully constituted of plastic — except for the metal deal with. Nevertheless, the outer shell is fairly thick. So so long as you don’t lose your grip throughout your swings and let it fly and crash into concrete, we predict it’s sturdy sufficient to final you a great 5 years or so.

Bowflex SelectTech 840 Adjustable Kettlebell Cradle
Bowflex SelectTech 840 Adjustable Kettlebell Cradle

That stated, we nonetheless advocate you deal with it with warning throughout your exercises. It’s additionally essential to do not forget that the cradle incorporates a thinner plastic construct, so that you wish to be light when housing it.


Throughout our kettlebell workouts with the Bowflex 840, we couldn’t assist however discover a wobble within the “stem” that holds the load plates into place. Whereas it didn’t knock us off our circulation, it may very well be an annoyance to some athletes.


Whereas the “correct” texture for a product is subjective, we discovered the grip on the metal deal with to be respectable. Nevertheless, it’s nonetheless fairly slick and in a approach, made it really feel as if our fingers have been sweating even once they weren’t. Now, you can argue that the slickness makes it simpler to rotate the bell in your fingers throughout your kettlebell clean and jerk, however general we felt a bit compromised at instances, and that’s one thing you don’t wish to have to fret about. 

One other factor right here is that it’s thinner than most of its competitors. This is likely to be nice for somebody with smaller fingers however will seemingly be lower than excellent for a lot of athletes. Then again, the width of the window left loads of room for each fingers throughout kettlebell swings.

What to Think about Earlier than Shopping for the Bowflex SelectTech 840 Adjustable Kettlebell

Like all dwelling fitness center tools, you have to hold a number of elements on the entrance of your thoughts earlier than making your buy. For us (and most of the people), we all the time like to think about the value, and just like adjustable dumbbells, we predict it’s very important to deal with the adjustability and the accessible weights, along with the general building.


As soon as once more, the Bowflex SelectTech 840 Adjustable Kettlebell will run you round $150. Whereas it’s less expensive than buying a number of forged iron or competitors kettlebells, and the compact nature is a pleasant contact, we predict it’s a bit dear as it’s primarily constituted of plastic. You should buy the REP Health Adjustable Kettlebell for across the identical value, and it incorporates a forged iron shell, deal with, and plates. 

Bowflex SelectTech 840 Adjustable Kettlebell with Weight Plates
Bowflex SelectTech 840 Adjustable Kettlebell with Weight Plates

Now it’s also possible to discover some cheaper ones on-line, however these will seemingly function loads of wobble with the plates, and we don’t just like the design as a lot because the plates are uncovered. All issues thought-about, the 840 will seemingly nonetheless be price it for many who are new to kettlebell coaching and don’t want heavy weight. 

Adjustment Course of and Out there Weight

Since adjustable kettlebells are meant to permit you to change your weight in the midst of your exercises for particular actions, it’s uncertain that you really want one which entails a prolonged course of. That’s actually not the case with the 840, as you’re solely required to twist the dial on the highest of the bell. It’s tremendous simple and solely takes a number of seconds, which means you’ll spend much less time adjusting and extra time sweating.

It’s additionally essential to understand how a lot accessible weight you’ll have in your kettlebell exercises. The SelectTech 840 options eight, 12, 20, 25, 35, and 40 kilos of weight. This can be a stable vary for newbie to intermediate lifters and is fairly commonplace with adjustable kettlebells, except for a few outliers. 


It is best to have a stable understanding of the supplies used within the manufacturing technique of any product, and that’s no completely different right here. As soon as once more, the Bowflex 840 incorporates a primarily plastic construct. This may very well be a trigger for concern for many who work out of their driveway or in a storage with concrete flooring. However we predict it’ll be nice if you happen to’re figuring out in your lounge. 

Bowflex SelectTech 840 Adjustable Kettlebell Welded Steel Handle
Bowflex SelectTech 840 Adjustable Kettlebell Welded Metal Deal with

And whereas the plastic shell felt fairly snug on our pores and skin after we held it overhead, we perceive why some individuals would favor a forged iron or metal construct. 

Bowflex SelectTech 840 Adjustable Kettlebell Vs. The Competitors

There’s no scarcity of adjustable kettlebells available on the market, and whereas they’re fairly comparable in style and performance, they will nonetheless range a bit. Whatever the product, it’s all the time essential to match a number of choices and, on this case, land on the very best adjustable kettlebell in your particular wants — whether or not that be pricing, the guarantee, or the supplies used.

Bowflex SelectTech 840 Adjustable Kettlebell REP Health Adjustable Kettlebell  Kettlebell Kings Adjustable Kettlebell (10-40 kilos) Titan Health Adjustable Kettlebell (10-40 kilos)
Value  $150 $160 $140 $120
Weight Vary (In kilos) Eight to 40 kilos  20 to 40 kilos 10 to 40 kilos 10 to 40 kilos
Weight Increments (In kilos) 4,8,5 5 5 4.6, 5.5, 5.9
Supplies Plastic with metal deal with Forged iron with plastic  Metal shell and iron plates Forged iron
Guarantee Two years Lifetime Lifetime One yr

We determined to match these adjustable kettlebells since they provide an analogous weight vary and are across the identical value. If cash is the last word issue, then the Titan Health Adjustable Kettlebell will seemingly be the one for you. 

When you’re a fan of a forged iron grip, then the REP Health one is fingers down your best option. Although Titan’s can be constituted of forged iron, the deal with seems to be extra slick. And whereas the load choices are fairly comparable, the Bowflex 840 has a wider vary, which means your exercises have extra potentialities. Nevertheless, it’s constituted of plastic and solely has a two-year guarantee. Whereas that is nonetheless longer than what Titan Health gives, if you happen to’re searching for the perfect guarantee, REP or Kettlebell Kings would be the approach to go.

When you finally know what’s finest in your needs and wishes, we nonetheless wish to steer you in the correct path. Whereas we predict all of those adjustable kettlebells can service your health targets, you could discover certainly one of them to be the “finest” in your present state of affairs and long-term targets. 

Locations to Purchase

You should buy the Bowflex SelectTech 840 Adjustable Kettlebell instantly by the Bowflex web site, off Amazon, or at your native sporting items retailer.


Bowflex gives a two-year guarantee masking any manufacturing defects on the SelectTech 840 Adjustable Kettlebell. This doesn’t embody regular put on and tear or negligent use, such because it cracking after a drop.

Firm Data

Bowflex has been a sizzling commodity amongst health tools producers for over 30 years with its wide selection of cardio and energy tools. To talk to a workforce member, you may name them at 1-800-605-3369.

In Conclusion

Including a stable adjustable kettlebell just like the Bowflex 840 in your house fitness center could be a recreation changer. Not solely does the compact nature of this kettlebell liberate house, nevertheless it additionally frees up some money for extra gear, like a weight bench. Whereas it incorporates a plastic construct, and the metal deal with is likely to be just a little slick for some, the load vary of eight to 40 kilos, the handy adjustability, and the aggressive price ticket make it a super selection for these simply venturing into kettlebell training


How a lot does the Bowflex SelectTech 840 Adjustable Kettlebell price?

This adjustable kettlebell will run you proper round $150. This can be a honest price ticket contemplating the convenience of use and the accessible weight.

What exercises can I do with the Bowflex SelectTech 840 Adjustable Kettlebell?

The fantastic thing about kettlebells is you could carry out a variety of actions, from full-body workouts like a kettlebell clear and press to Russian twists for core work. It’s also possible to goal particular muscle tissues like your biceps and triceps; plus, most kettlebell workouts double as a cardio exercise since your total physique is concerned.

Can I increase the load of the Bowflex SelectTech 840 Adjustable Kettlebell?

No, what you see is what you get with this adjustable kettlebell. When you assume you’ll want greater than 40 kilos of weight, we advise sourcing an alternative choice.

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