
Bowflex SelectTech 840 Adjustable Kettlebell
Price as of 2026-06-05. Check Amazon for the current price.
Quick Decision
Price Intelligence
Currently $149 — the 90-day average is $138.40.
All-time low: $50 on Mon Dec 26 (from 183 price checks).
Is This Right For You?
- •Those who want a top-rated option — in the top 5% of Adjustable Dumbbells by rating
- •Risk-averse buyers — 7,630+ reviews give a highly reliable picture
- •BDSHE Adjustable Dumbbell Set — 46% cheaper at $80 (Score A-)
📊 Based on data analysis of 55 products in this category.
Mubboo Score: A+
How It Compares
This Product Bowflex SelectTech 840 Adjustable Kettlebell | Most Popular CAP Barbell 52.5‑Pound Adjustable Dumbbell Set | Best Rated LifeOG 2026 Updated Adjustable Dumbbell Set of 2 | Best Value BDSHE Adjustable Dumbbell Set | |
|---|---|---|---|---|
| Price | $149 | $129.99 | $199.99 | $79.99 |
| Rating | 4.8/5 | 4.4/5 | 4.8/5 | 4.4/5 |
| Reviews | 7,630 | 7,292 | 523 | 507 |
| Mubboo Score | A+ | A | B | A- |
Quick Specs
- Color
- Black
- Style
- Bowflex Kettlebell 8-40lbs
- Material
- Composite
- Unit Count
- 1.0 Count
- Item Weight
- 40 Pounds
- Part Number
- 100790
- Manufacturer
- Johnson Health Tech Trading
- Model Number
- 100790
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Consider fabric resistance bands to prevent rolling and check accessory comfort like strap padding. For exercise machines, verify printed assembly instructions are included.
- Versatile and adjustable resistance
- Durable and sturdy build
- Non-slip and comfortable fit
- Portable and easy to store
- Effective results and muscle engagement
- Bands roll up during exercise
- Storage bag too small
- Thin ankle straps
Expert Picks in Adjustable Dumbbells
- Core Home Fitness Adjustable Dumbbell Set — at-home strength training
- Core Home Fitness Adjustable Dumbbell Set — Home gyms
- MX Select MX55 Rapid Change Adjustable Dumbbells — Unique adjustment system
Category recommendations from independent expert publications. Source links in References.
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Key Features
- ✦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.
Source: product listing on Amazon.
About Bowflex
- 5 products in our database
- Average rating: 4.7/5 across all products
- Price range: $149 – $1302.26
- Categories: Adjustable Dumbbells, Home Gym Equipment, Weight Benches
Other Adjustable Dumbbells




Featured in Our Reviews
Bottom Line
Bowflex SelectTech 840 Adjustable Kettlebell earns Mubboo Score A+. At $149 it's above the 90-day average of $138 — waiting for a dip may pay off. Rated 4.8/5 from 7,630+ reviews. Strong buy if: those who want a top-rated option, risk-averse buyers.
Frequently Asked Questions
Is the Bowflex SelectTech 840 Adjustable Kettlebell worth buying in 2026?
It earns a Mubboo Score of A+, with a 4.8/5 rating from 7,630 reviews — better than 95% of Adjustable Dumbbells we track.
How much does the Bowflex SelectTech 840 Adjustable Kettlebell cost?
It is currently $149. The 90-day average is $138.40 and the all-time low we recorded is $50.
How does the SelectTech 840 Adjustable Kettlebell compare to other Adjustable Dumbbells?
The category's most-reviewed alternative is the CAP Barbell 52.5‑Pound Adjustable Dumbbell Set (4.4/5, 7,292 reviews, $129.99). The SelectTech 840 Adjustable Kettlebell carries a Mubboo Score of A+ vs A.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-05) and may change.