








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.
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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Robert Jones –
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.
Adam –
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.
Derek Wingard –
Great buy
Amazing. Space saver. Adjustable weight is game changer. Easy to use.
Marisa –
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.
jaime weaver –
Good weights for a beginner
I like these a lot. I like the ease in changing weights. Wish the handle was shaped differently.
Brandon Owen –
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
Books Customer Since 1996 –
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.
Noah –
Another great Bowflex item
Great item, very versatile, but weight sizes are very unique and I feel don’t follow any standard. Also because of the nature of the adjustable kettlebell the size and shape CAN be awkward but it is over all the best option I found and will buy again if I ever need 2
Ian Devan –
Great addition to the gym. One kettle bell, different selection of weights.
Stephen C –
Durable, works perfectly and love the space saving. A quality product
NewLife –
Excellent appareil combinant plusieurs “Kettlebells” en une. Facile à utiliser. Conforme en tous points à mes attentes. Durabilité à confirmer avec l’usage, mais la fabrication générale semble très solide. Très satisfait.
Simon E. –
Da ich inzwischen BEIDES (Kugelhantel und Kurzhantel) gekauft habe, Amazon aber die Bewertungen mixt, hier der Reihe nach:Kugelhantel:Das Teil sind 6 Kugelhanteln in einer!Der Griff ist massiv und breit genug, so dass auch 2 Männerpranken daran platz haben.Die Auswahl des Gewichts erfolgt über Drehknopf super einfach und ohne Hakeln.Gewicht einstellen, Hantel hochheben, trainieren. Die übrig gebliebenen Gewichte bleiben sauber und platzsparend in der Aufbewahrungsschale stehen. Nach dem Training einfach wieder in die Aufbewahrungsschale zurück stellen. Die Schale hat unten Gummifüße, so das auch nichts zerkratzt. Der Hantelkörper hat ebenfalls unten Gummifüße, so dass man den auch zwischen den Sätzen einfach auf den Boden stellen kann.Einfach TOP! Volle 5 Sterne.Kurzhantel:Man erhält eine Hantel mit Gewichtscheiben sowie eine Ablageschale, wie abgebildet. Sie ersetzt 15 einzelne Hanteln.Die Hanteln sind super praktisch, sparen unglaublich viel Platz, top gefertigt und sehr griffig. Die Scheiben wackeln nur sehr leicht, alles wirkt stabil. Das System ist so gut, dass es sogar schon zahlreiche Nachahmer und sogar billig-Nachbauten (vorsicht!) gibt.Gewicht mit zwei Handgriffen einstellen, lostrainieren. Der gummierte Griff ist hilfreich, denn das Teil lässt sich auch ohne Handschuhe optimal anfassen. Für Personen mit kleinen Händen könnte er allerdings etwas dick sein.Einziger wirklicher Nachteil: Die Hanteln sind klobig und müssen in einigen Übungen etwas anders geführt werden bzw die Übungen können nicht in gewohntem Winkel / Endposition durchgeführt werden. Etwas störend, aber kein Ausschlusskriterium für mich.Die Rezension von Ntro kann ich übrigens ÜBERHAUPT nicht nachvollziehen. Wieso soll diese Hantel die Gelenke MEHR belasten? 16kg sind 16kg, ob sie nun schwerer “aussehen”, spielt keine Rolle. Aber jeder, wie er meint..Daher würde ich der Kurzhantel 4.5 von 5 Sternen geben.
Efrain V. –
Muy buen producto