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The Bowflex SelectTech 840 Adjustable Kettlebell offers a versatile 8 to 40 lbs weight range with a quick-turn dial, replacing six kettlebells in one space-saving design. Paired with a 2-month free trial of the JRNY mobile app, it delivers adaptive, trainer-led workouts for strength and cardio at home or on the go. Engineered with an ergonomic handle and durable composite materials, it’s perfect for professional millennials seeking efficient, effective full-body training without the gym hassle.







| ASIN | B07X64MXBS |
| Best Sellers Rank | #3,641 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #12 in Strength Training Kettlebells |
| Brand | Bowflex |
| Brand Name | Bowflex |
| Color | Black |
| Customer Reviews | 4.8 out of 5 stars 7,630 Reviews |
| EU Spare Part Availability Duration | 5 Years |
| Global Trade Identification Number | 00708447912961 |
| Handle Diameter | 28 millimeters |
| Handle Material | Plastic |
| Included Components | Kettlebell |
| Item Dimensions L x W | 8.82"L x 7.01"W |
| Item Type Name | Bowflex SelectTech 840 Kettlebell |
| Item Weight | 40 Pounds |
| Manufacturer | Johnson Health Tech Trading |
| Material | Composite |
| Model Number | 100790 |
| Number of Items | 1 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Adjustable, Ergonomic |
| Part Number | 100790 |
| Product Dimensions | 8.82"L x 7.01"W |
| Special Feature | Adjustable, Ergonomic |
| Style | Bowflex Kettlebell 8-40lbs |
| Target Use Body Part | Shoulder |
| UPC | 708447912961 |
| Unit Count | 1.0 Count |
| Warranty Description | 2 years |
R**S
Perfect kettlebell for anyone, especially seniors!
Outstanding! We love this device. Makes working out easy, but with great results. 6 weeks in and both my wife and I love it. 2x daily workouts for each of us without leaving the bedroom! The adjustable weight function is a great idea. Solid construction. The weights hold on well. We had to leave the house for a week to watch grandchildren out of state and took it with us to maintain our work out schedule. We both feel a stronger core, glutes and thighs, as well as biceps - I’m seeing definition I have not seen in years. Don’t hesitate to- get this and get off your butt and start getting a life back. This will remove your excuses: affordable, no gym membership or “staring at you” at the gym, and one device that is itself a full set of kettlebells. We are 70+ and love this.
A**M
Compact, sturdy, and super convenient
This adjustable kettlebell has been one of the best things I've added to my home gym. The weight changes happen quickly and smoothly, and each setting feels stable with no wobbling or moving. The handle is easy to hold and has enough room for exercises that can be done with one or two hands. It takes up a lot less space than having a lot of kettlebells, but it still feels just as strong when you swing, row, squat, or press. This is a great piece of equipment for anyone who wants to be able to do a lot of different things without having to buy a lot of equipment.
V**7
Excellent
This very much exceeded my expectations and I am very pleased. High quality, well made, and easy to switch the different weight settings. Perfect for home use., takes up very little space. I highly recommend.
B**6
Adjusting the weight is quick, smooth, and reliable. None better. BowFlex SelectTech 840.
Adjusting the weight is the best. Put weight in, rotate dial as it smoothly clicks at each position, pull weight out. I can't imagine it be be done any faster, and it has a high quality solid feel when doing it. The rest of it is also high quality.
J**R
Good weights for a beginner
I like these a lot. I like the ease in changing weights. Wish the handle was shaped differently.
D**D
Great buy
Amazing. Space saver. Adjustable weight is game changer. Easy to use.
M**A
Versatile and Space-Saving – Perfect for Home Workouts!
The Bowflex SelectTech kettlebell is a game changer for my home gym. It’s super easy to adjust the weight with just a quick turn of the dial, and it replaces multiple kettlebells in one compact design. The build feels solid and durable, and the grip is comfortable for all kinds of exercises—swings, squats, presses, and more. It’s a great option if you’re short on space but still want a variety of weight options. Definitely worth the investment for anyone looking to level up their home workouts without cluttering the room.
B**N
Small space friendly
Perfect small space workout. You can get a pretty conplete workout from a single kettlebell and over gove uo a single square foot of storage. Plenty of workout guides online. Recommended
S**C
Perfect
Durable, works perfectly and love the space saving. A quality product
A**G
Great for beginner to mid tier lifters
Pros: - Inexpensive for the variety of weight you get -Sturdy material (including the plastic dial) -Space saving -Good size (not to big to do kettle swings) Cons: -Low maximum weight (For advance lifters) Overall: worth the money for what you get. You can pretty much get a full body workout with this one equipment that have several use and easy storing capacity.
D**K
Leistung und Preis passen
**Positive Aspekte:** Die verstellbare Bowflex Kettlebell überzeugt mit einer beeindruckenden Verarbeitungsqualität. Jedes Detail scheint sorgfältig durchdacht, und die solide Konstruktion sorgt dafür, dass nichts während des Trainings verrutscht. Die einzelnen Glieder rasten präzise ein, was die Anpassung des Gewichts mühelos und sicher macht. Der Griff der Kettlebell fühlt sich angenehm an und bietet einen festen Halt während verschiedener Übungen. Das hochwertige Material verleiht dem Produkt nicht nur eine ansprechende Ästhetik, sondern verspricht auch Langlebigkeit und Beständigkeit. **Negative Aspekte:** Ein kleiner Kritikpunkt könnte der vergleichsweise hohe Preis sein. Allerdings erscheint dieser angesichts der herausragenden Verarbeitung und Funktionalität der Kettlebell gerechtfertigt. Es handelt sich hierbei eher um eine Investition in ein langlebiges und vielseitiges Trainingsgerät. **Fazit:** Die verstellbare Bowflex Kettlebell beeindruckt durch ihre exzellente Verarbeitung und durchdachte Konstruktion. Der angenehme Griff, das hochwertige Material und die einfache Anpassung des Gewichts machen sie zu einem ausgezeichneten Trainingsbegleiter. Trotz des etwas höheren Preises ist die Qualität gerechtfertigt, da es sich um ein langlebiges und vielseitiges Fitnessgerät handelt. Eine klare Empfehlung für alle, die Wert auf Qualität und Flexibilität in ihrem Workout legen.
E**.
Funcionalidad
Muy buen producto
O**W
Good product
Wish its max weight were 50 or 60lbs
Trustpilot
4 days ago
1 month ago