Bowflex SelectTech 840 Adjustable Kettlebell
Price as of 2026-08-11. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$110–$160← You are here
- Mid-range:$160–$390
- Premium:$390+
Is This Right For You?
- •Budget-conscious shoppers — priced below 78% of Adjustable Dumbbells
- •Those who want a top-rated option — in the top 1% of Adjustable Dumbbells by rating
- •Risk-averse buyers — 7,630+ reviews give a highly reliable picture
📊 Based on data analysis of 9 products in this category.
Mubboo Score: A+
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other Adjustable Dumbbells
Computed from live Amazon rating, review count, and price across 9 Adjustable Dumbbells available to US consumers · last refreshed 2026-08-11.
How It Compares
This Product Bowflex SelectTech 840 Adjustable Kettlebell | Most Popular LifePro Powerflow Plus Adjustable Dumbbell Set of 2 | Best Rated LifeOG Adjustable Dumbbells Set 25LB | Best Value Rendpas Adjustable Dumbbells Set of 2 | |
|---|---|---|---|---|
| Price | $149 | $189.99 | $110.49 | $159.99 |
| Rating | 4.8/5 | 4.6/5 | 4.8/5 | 4.7/5 |
| Reviews | 7,630 | 4,644 | 523 | 944 |
| Mubboo Score | A+ | A | A | 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 buyers say about Adjustable Dumbbells
Themes from buyer reviews across this category — not review data for this specific model.
These kettlebells are a great value for strength training, with durable construction and a comfortable grip. Be aware that handle thickness may vary between weights and the base is not flat, which could affect certain exercises.
- Value for Money
- Build Quality and Durability
- Secure and Comfortable Grip
- Performance in Workouts
- Inconsistent Handle Thickness Across Weights
- Non-Flat Bottom May Be Inconvenient
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.
If not the SelectTech 840 Adjustable Kettlebell, consider these
Featured in Our Reviews
Bottom Line
Bowflex SelectTech 840 Adjustable Kettlebell earns Mubboo Score A+. Priced at $149 — a budget-friendly option, below the category average of $255. Rated 4.8/5 from 7,630+ reviews. Strong buy if: budget-conscious shoppers, those who want a top-rated option.
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 100% of Adjustable Dumbbells we track.
How much does the Bowflex SelectTech 840 Adjustable Kettlebell cost?
It is currently $149 — budget-tier pricing for Adjustable Dumbbells.
How does the SelectTech 840 Adjustable Kettlebell compare to other Adjustable Dumbbells?
The category's most-reviewed alternative is the LifePro Powerflow Plus Adjustable Dumbbell Set of 2 (4.6/5, 4,644 reviews, $189.99). The SelectTech 840 Adjustable Kettlebell carries a Mubboo Score of A+ vs A.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-08-11) and may change.