BowFlex SelectTech 840 Adjustable Kettlebell
BowFlex SelectTech 840 Adjustable Kettlebell
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BowFlex SelectTech 840 Adjustable Kettlebell

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Adjusts from 8 - 40 lbs

Functional, total-body strength for your arms, shoulders, abs, chest, back, and legs.

Easy-to-Use Selection Dials

Easily adjust from one exercise to the next. 8, 12, 20, 25, 35, and 40 lbs.
 

Space Efficient
Replaces up to 6 kettlebell and designed with your home in mind.
 

*JRNY subscription required. JRNY subscription auto renews annually at then-current annual rates, plus applicable taxes, unless canceled at least 48 hours before free period ends.

Current price is $177.00
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4.8 out of 5 stars
stars3,411 ratings3,331 reviews
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Showing 1-3 of 3,331 reviews

Jul 7, 2025
TomcatSTL
5 out of 5 stars review

Seller Verified Purchase

Terrific Price. Terrific Quality!

[This review was collected as part of a promotion.] I finish my routine with fifteen squats while holding the kettlebell chest-high with both hands. My goal is to strengthen my knees and I believe this is working well for the purpose.

Review from Johnson Brands
Helpful?510d1bd0-0b0d-11f1-85c1-b9be452911c7799605933
Apr 25, 2026
Noel
5 out of 5 stars review

Purchased 2 and I don't Regret it

Since purchasing this product, I've lost 27lbs. I currently have CHF (congestive heart failure) and a pretty severe case of it. My heart functioned only at a 25% capacity but after 2 months of using my kettlebells and incorporating them into my workout routines, my heart has been gradually getting stronger. I go to cardiac rehab 3 days a week and not only myself but my nurses are surprised of my weight loss and my cardio clearly getting stronger. I ordered the bowflex dumbells and barbell/curved barbell with the stand to step up my game and continue my fitness journey

Review from Bowflex US
Helpful?510d1bd0-0b0d-11f1-85c1-b9be452911c7799605933
May 2, 2026
Cman Strong
5 out of 5 stars review

15 dumbells in 1!

Appreciate the fact that this is 15 dumbells in 1. Simply set the dial to your desired weight and workout. Adjust the weight as needed by simply turning a dial.

Review from Bowflex US
Helpful?510d1bd0-0b0d-11f1-85c1-b9be452911c7799605933