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BowFlex SelectTech 840 Kettlebell

4.8 4.8 out of 5 stars 7,153 ratings
$149.00 with 25 percent savings
List Price: $199.00

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Purchase options and add-ons

Item Weight 40 Pounds
Brand Bowflex
Color Black
Material Composite
Product Dimensions 8.8"L x 7"W x 12.5"H

About this item

  • TURN OF A DIAL: With the turn of a dial, you can easily adjust from 8 to 40 lbs., rapidly switch from one exercise to the next, and perform a wide variety of full-body exercises.
  • SPACE EFFICIENT: Replaces up to 6 kettlebell with weights at 8, 12, 20, 25, 35, and 40 lbs.
  • 2-MONTH FREE TRIAL: Try our JRNY All-Access Membership for 2 months, free.
  • JRNY MOBILE-ONLY MEMBERSHIP: Workout at home or on the go with inspiring trainers, and just-for-you adaptive workouts, from your phone or tablet.
  • WIDE WEIGHT RANGE: Offers a variety of workouts, including swings, rows, squats, twists and more.
  • SPACE-SAVING DESIGN: Ensures a quality workout from nearly any room in your home.

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Frequently bought together

BowFlex SelectTech 840 Kettlebell
$149.00
Get it as soon as Tuesday, May 14
In Stock
Ships from and sold by Amazon.com.
+
Bowflex SelectTech 552 Adjustable Dumbbells
Get it as soon as Wednesday, May 15
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Ships from and sold by Amazon.com.
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BowFlex SelectTech Stand with Media Rack
$179.00
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In Stock
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Top Brand: Bowflex

Highly Rated
50K+ customers rate items from this brand highly
Trending
10K+ orders for this brand in past 3 months
Low Returns
Customers usually keep items from this brand

From the manufacturer

JRNY: The fitness membership that follows your lead.
JRNY: Adaptive Workouts & Trainer-Led Classes
JRNY: Whole-Body Workouts & Performance Tracking

Compare BowFlex weights

BowFlex 840 Kettlebell

BowFlex 840 Kettlebell

BowFlex 552 Dumbbells

BowFlex 552 Dumbbells

BowFlex 1090 Dumbbell

BowFlex 1090 Dumbbell

BowFlex 2080 Barbell

BowFlex 2080 Barbell

See Details
Customer Reviews
4.8 out of 5 stars
7,153
4.8 out of 5 stars
22,327
4.5 out of 5 stars
1,857
4.5 out of 5 stars
217
Price
$149.00 — $329.00 —
JRNY COMPATIBLE
✔ ✔ ✔ ✔
MOTION TRACKING
✘ ✔ ✔ ✘
ADJUSTABLE WEIGHT
8 to 40 lbs. 5 to 52.5 lbs. per dumbbell 10 to 90 lbs. per dumbbell 20 to 80 lbs.
SPACE-SAVING FEATURES
Replace 6 kettlebells with 1 Replaces 15 weights with 1 Replaces 17 weights with 1 Replace 7 weights with 1
STORAGE TRAYS
✔ ✔ ✔ ✔

Product Description

Swing into action with the Bowflex SelectTech 840 Kettlebell, the adjustable kettlebell that provides 6 different weights in one compact design! Save space by selecting the weight you want with the turn of a dial, allowing you to achieve total-body results from the comfort of home. Our JRNY Mobile-Only Membership with Motion Tracking is ideal for strength training at home or on the go; try it free for 2 months from your phone or tablet. With the 840 Kettlebell, you'll combine cardio and strength in one quick, effective workout, helping you build muscle, burn fat, and boost confidence. *JRNY subscription required. This offer’s availability is subject to change without notice. At end of free trial, JRNY membership automatically renews at membership rates until canceled.

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BowFlex SelectTech 840 Kettlebell

BowFlex SelectTech 840 Kettlebell

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Product guides and documents

Troubleshooting Guide (PDF)
User Manual (PDF)

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Customer reviews

4.8 out of 5 stars
4.8 out of 5
7,153 global ratings

Customers say

Customers like the ease of use, quality, size and weights of the kettlebell. They mention that it's perfect for quick effective workouts, it saves floor space and that it has several different weight variations. They also appreciate the value for money.

AI-generated from the text of customer reviews

131 customers mention112 positive19 negative

Customers find the kettlebell easy to use. They say it's perfect for quick, effective workouts throughout the week. They also say it’s great for simple to complex movements and perfect for beginners and intermediate training. They appreciate the large, smooth metal handle and say it makes some exercises easy.

"...Adjusting the weight is simple and seamless. It’s perfect for quick effective workouts throughout the week...." Read more

"...We can pick what weight we want via the selector knob. Easy to use, easy to select desired weight. Very satisfied." Read more

"Easy to use, convenient. The handle has a matte powder type coat...." Read more

"as expected, good, compact and convenient for a beginner" Read more

111 customers mention100 positive11 negative

Customers are impressed with the quality and design of the adjustable kettlebell. They say it's a solid product, not cheap or flimsy, and has been incredibly reliable for years. Customers also say the distribution is even and it feels solid when using it. They mention the grip is nice and ergonomic, not just hard round steel. Overall, customers are satisfied with the product's quality and reliability.

"...Right out of the box the product was very easy to use. It’s is a solid product...." Read more

"...The durability is great. It does say that you cant drop it or throw it down, but that isnt really a problem to me...." Read more

"...Cons:- For one, it’s housed in plastic. It’s sturdy enough, but still there's always a chance putting it down too hard might break it.-..." Read more

"...As long as you're not totally throwing them around, they will be durable. A great (and reasonably priced) addition to any home gym." Read more

103 customers mention80 positive23 negative

Customers like the size of the kettlebell. They say it takes up very little space, saves floor space, and money. They also say it's a compact weight option for basic light weights and up to about 50 pounds. Overall, most are happy with the size and recommend it to others.

"...loved a 30lb setting built in, but it has quite a range in a very compact package, so I think they did a great job designing it...." Read more

"...I bought two and they take up like a tiny amount of space and give me access to countless kettlebell configurations with just a click...." Read more

"First off. This saves you floor space and the purchase of multiple kettle balls...." Read more

"...It's fun and changing weights is a breeze and it takes up almost no space...." Read more

95 customers mention77 positive18 negative

Customers like the weights of the kettlebell. They say it's easy to change weights by turning the dial. They also appreciate the several different weight variations and the quick weight change. Customers also say the weight increments are good.

"...It’s is a solid product. So far no concerns of the weights falling out or rattling while in use. Adjusting the weight is simple and seamless...." Read more

"...The convenience of switching weights is what has me doing more and more variety of exercises...." Read more

"...Easy to use, easy to select desired weight. Very satisfied." Read more

"...It is quick and easy to switch between weights; you just turn a dial. I learned a few kettlebell exercises in fitness classes at work...." Read more

84 customers mention69 positive15 negative

Customers like the value of the kettlebell. They say it's well worth the money, a great investment piece, and saves them a ton of money. Some say that the kettle bells are a good buy and better than buying individual kettle bell.

"...I think the price is very reasonable for the weight range and convenience it provides...." Read more

"...Regardless, they're well worth what you pay for their flexibility. It is quick and easy to switch between weights; you just turn a dial...." Read more

"...They’re worth every penny considering how much you’d spend on a similar size standard kettlebell set!" Read more

"Love this! Simple to use, very affordable, and overall super super satisfied! I wasn’t looking for very heavy, this meets my needs perfectly!" Read more

53 customers mention49 positive4 negative

Customers are satisfied with the performance of the kettlebell. They mention that it works great for them, has functionality, and is easy to use. Some say that the dial is efficient and simple to use, and that it's quick and easy to adjust.

"...It is quick and easy to switch between weights; you just turn a dial. I learned a few kettlebell exercises in fitness classes at work...." Read more

"This thing is awesome! Works perfect for what its intended for" Read more

"Works well. I hope they make a heavier version in the future though." Read more

"I find the product works well. It is easy to adjust and feels OK in my hands while working out." Read more

52 customers mention52 positive0 negative

Customers find the kettlebell versatile and an addition to any home gym. They appreciate the interchangeable design that allows for countless kettlebell configurations. Customers also say it's great for use in smaller workout areas.

"...A great (and reasonably priced) addition to any home gym." Read more

"...they take up like a tiny amount of space and give me access to countless kettlebell configurations with just a click...." Read more

"This product is a great add on to your home gym. Weights are adjustable from 8-40lbs and easy to click to change...." Read more

"...As with the dumbbells, you have a selection of many different weights to use for exercise in a single kettlebell...." Read more

52 customers mention35 positive17 negative

Customers are mixed about the appearance of the kettlebell. Some mention it's very nice, has a great design, and is perfect for upper and lower body exercises. Others say that the shape isn't great, makes it hard to hold, and the straight shape makes some exercises awkward and difficult.

"...All that being said, I’m still happy with my purchase. It’s a great starter kettlebell for sure, and I definitely got a solid two years worth out of..." Read more

"This thing is awesome! Works perfect for what its intended for" Read more

"Other than the fact that the shape can make it a bit challenging to hold it for certain exercises, this thing easily serves it purpose...." Read more

"Very nice kettle bell. I have very little room so having different weight kettle bells isn’t an option...." Read more

Great idea and product
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This thing is awesome! Works perfect for what its intended for
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Top reviews from the United States

Ken
5.0 out of 5 stars Should have purchased this sooner!
Reviewed in the United States on February 12, 2024
Verified Purchase
Love this kettle bell! Right out of the box the product was very easy to use. It’s is a solid product. So far no concerns of the weights falling out or rattling while in use. Adjusting the weight is simple and seamless. It’s perfect for quick effective workouts throughout the week.

I do wish the product had a higher max out weight of 50lbs at least but 40 will suffice.

100% recommend!
4 people found this helpful
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Rich Hicks
5.0 out of 5 stars Best excercise product I've ever purchased
Reviewed in the United States on July 17, 2020
Verified Purchase
Definitely the best thing I've ever purchased for exercise. The convenience of this kettle bell has really got me working out and enjoying it. I bought this during COVID quarantine and it has been a perfect purchase. The small package is great. It has a range from 8 to 40 lbs in a small kettlebell form that doesnt take up much space. The unit comes with a base where you set the weight before you make an adjustment. Just the click of the dial and you are set with a different weight. The convenience of switching weights is what has me doing more and more variety of exercises. If I had any negatives for the product, it jumps from 25 to 35 to 40 in the available selections. I would have loved a 30lb setting built in, but it has quite a range in a very compact package, so I think they did a great job designing it. The durability is great. It does say that you cant drop it or throw it down, but that isnt really a problem to me. Overall, I am extremely happy with this product and I am already seeing muscle gains from using the product. I think the price is very reasonable for the weight range and convenience it provides. If I would have bought dumbells with plates, I wouldnt do nearly the mix of exercises, because I'd get tired of putting plates on and taking them off during a workout. With the Bowflex, I'm setting the weight down on the base, turning a dial a click or two and lifting it right back up. Love it! HIGHLY RECOMMENDED!
28 people found this helpful
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H Tucker
5.0 out of 5 stars Kettlebell
Reviewed in the United States on March 28, 2024
Verified Purchase
Very happy with Bowflex select kettlebell. We can pick what weight we want via the selector knob. Easy to use, easy to select desired weight. Very satisfied.
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Amazon Customer
5.0 out of 5 stars Perfect for space saving.
Reviewed in the United States on March 17, 2024
Verified Purchase
I love the bowflex selectech line of products! I love that it's adjustable and I don't need multiples taking up space
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R. Rodriguez
4.0 out of 5 stars Great for beginners.
Reviewed in the United States on January 18, 2024
Verified Purchase
Like many folks, I bought a bunch of home gym equipment during the pandemic, and this Bowflex Kettlebell was part of that. I’ve enjoyed using it, but once I bought actual kettlebells, I started to see the limitations of this product.

Cons:
- For one, it’s housed in plastic. It’s sturdy enough, but still there's always a chance putting it down too hard might break it.
- The handle is my biggest gripe. It’s skinny and smooth, so it doesn’t provide the best grip.
- Differences in weight are a bit weird: 8, 12, 20, 25, 35, 40. I absolutely noticed when I went from 25 to 35. It’s a big jump. I bought a 31 pound (14kg) kettlebell just to fill that gap. Coincidentally, that was when I really saw the differences between this and real kettlebells.
- Once you start working with real kettlebells, it’s hard to go back to this one.

All that being said, I’m still happy with my purchase. It’s a great starter kettlebell for sure, and I definitely got a solid two years worth out of it. I’d recommend it mostly for swings and rows, which is what I still occasionally use it for.
10 people found this helpful
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Duane Schneider
5.0 out of 5 stars Great for a Variety of Exercises
Reviewed in the United States on August 11, 2021
Verified Purchase
I haven't had these a super-long time. Picked them up for a great price on the last Prime Day. They were $50 off. If you're patient, they'll probably be marked down again. Regardless, they're well worth what you pay for their flexibility. It is quick and easy to switch between weights; you just turn a dial. I learned a few kettlebell exercises in fitness classes at work. I would suggest looking up the Bowflex videos on YouTube: they offer some great 30 minute workouts specifically geared for use with these kettlebells. I really wanted two kettlebells, as there are exercises that involve both arms. So far I haven't noticed any wear and tear. As long as you're not totally throwing them around, they will be durable. A great (and reasonably priced) addition to any home gym.
One person found this helpful
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Eric Bailey
5.0 out of 5 stars Space Saving Fitness!
Reviewed in the United States on July 11, 2020
Verified Purchase
Over the years, I have bought many kettlebell sets. They took up tons of space and it cost an arm and a leg to buy a well rounded set. These Bowflex kettlebells are the solution! I bought two and they take up like a tiny amount of space and give me access to countless kettlebell configurations with just a click. I’ve had these for a few months now with zero issues engaging the correct weight. Every once in a while one of the bells with rattle when you’re slinging them around hard, but it never disengages and flings off a weight. They seem to be built very well and will last a long time. Literally the only slight downfall is their size. They’re a little bit chunky so you have to get used to slinging them around in comparison to smaller kettlebells. After a few workouts though, I adjusted quickly to the larger size. They’re worth every penny considering how much you’d spend on a similar size standard kettlebell set!
41 people found this helpful
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Jr Lambert
5.0 out of 5 stars Great idea and product
Reviewed in the United States on February 19, 2024
Verified Purchase
This thing is awesome! Works perfect for what its intended for
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Jr Lambert
5.0 out of 5 stars Great idea and product
Reviewed in the United States on February 19, 2024
This thing is awesome! Works perfect for what its intended for
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Top reviews from other countries

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Daniel
5.0 out of 5 stars Amazing
Reviewed in Canada on July 22, 2023
Verified Purchase
If you don't have room in your home this is probably the best workout "machine" that you can buy! Super versatile as you can perform a bunch of difference exercises with it giving you close to a total body workout. I love how compact it is and it is also very affordable. Better than a gym membership!
3 people found this helpful
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Cliente de Kindle
5.0 out of 5 stars Funcional, ocupa poco espacio y buen precio para lo que ofrece
Reviewed in Mexico on November 8, 2022
Verified Purchase
Este producto me ha ayudado a enriquecer mi rutina, esta bien hecho y de buena calidad, el manual es bastante claro y tan sólo hay que seguir las recomendaciones. En el futuro desearía que el fabricante saque versiones con mayores pesos y con diseño más robusto.
2 people found this helpful
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Clemens W.
5.0 out of 5 stars Ein absolutes Must-Have für effektives Krafttraining zu Hause!
Reviewed in Germany on March 26, 2024
Verified Purchase
Seit Dezember 2023 habe ich die Bowflex Kettlebell in meiner Home-Gym-Ausrüstung und ich muss sagen, sie hat mein Krafttraining auf ein ganz neues Level gehoben. Als jemand, der hauptsächlich Krafttraining betreibt, war ich auf der Suche nach Hanteln, die nicht nur effektiv sind, sondern auch praktisch und platzsparend und bin dabei auf die BowFlex Kettlebell gestoßen.

Das Umspannen der Gewichte ist mit der Bowflex Kettlebell ein Kinderspiel und dauert (wenn man den Dreh heraußen hat) gerade mal 5 Sekunden. Das System ist unglaublich stabil, und ich muss mir keine Sorgen machen, dass die Gewichte während des Trainings herunterfallen. Die Kettlebell ist zwar kein Schnäppchen, aber den Preis trotzdem wert.
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Justina Lee
5.0 out of 5 stars Great product but...
Reviewed in Singapore on August 12, 2023
Verified Purchase
Amazon cut the price by half as soon as I've purchased this product 🥲
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Amazon Customer
5.0 out of 5 stars Very versatile
Reviewed in Australia on July 20, 2020
Verified Purchase
Love the neat package and space saving nature of it. Thumbs up from me!
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