Health, Fitness & Wellness › Home Fitness Equipment
SelectTech 840
Home Fitness Equipment
Mid-range · middle third of home fitness equipment
Quick take
In short: what each side says
AI panel · Buyers — each opened up in full further down ↓
Claude ranks this product at #28.0 on average
Owners love the space-saving design and smooth weight adjustment, but some find the edge can dig into wrists and question long-term durability under heavy use.
The juries split — Divided. Check both sides before you commit.
Quick read · who it’s for
Main competitors
Top rivals in Home Fitness Equipment.
The verdict
What the panel makes of it.
The SelectTech 840 ranks ninth among adjustable dumbbells and earns strong owner approval (4.8/5 from 2,299 reviews) for its compact footprint and smooth adjustment mechanism, though buyers report the edge can dig into wrists and express concerns about durability under sustained heavy lifting.
Act one
What the machines think.
Several AI models read the category and place this product — model by model, list by list, over time.
Model by model?
How each AI sees it.
Claude ranks this product at #28.0 on average Averaging across the AI panel, SelectTech 840 sits around #28.0 this snapshot.
Gemini
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Didn’t rank SelectTech 840 this snapshot.
Grok
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Didn’t rank SelectTech 840 this snapshot.
GPT
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Didn’t rank SelectTech 840 this snapshot.
Perplexity
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Didn’t rank SelectTech 840 this snapshot.
AI Mode
Didn’t rank SelectTech 840 this snapshot.
Rank trajectory?
Weeks of movement.
Act two · ★ new
What the people say.
The same product, judged by the owners who bought and filmed it — what they praise, what they knock, who it's for.
What buyers say?
What Google knows about it.
Beyond the video critics, Google pools 2,299 buyer ratings of the SelectTech 840 from across retailers — a far wider, if blunter, jury. Here’s the shape of that opinion.
2,299 ratings · 7 written
across 4 retailers
What owners single out
In their words
“I purchased this for my husband and I have been using it to help me combat osteoporosis, as well. It is easy to adjust and comfortable to lift. This is so compact and doesn't take up the space that several weights would. I would recommend this to anyone wanting to strength train at home. It is 6 kettlebells in 1!”
Bella · verified purchase · bowflex.com
“I love the versatility of this kettle bell. To have this many weighted kettlebells only take up the space of 1 is amazing. The range of 8 lbs. to 40 lbs. is perfect for someone getting introduced to kettlebell workouts. Seems sturdy and seems like it will last. I think my only major issue is the edge before the weight can dig into y wrist/forearm but this isnt a huge deal and easy to adjust to.”
Periah · verified purchase · dickssportinggoods.com
as of June 9 · 2299 buyer ratings?
Find your situation?
Made for some — wrong for others.
You want adjustable dumbbells but won't overspend on features you won't use.
Street price of $130–150 is half or less than most alternatives, with 4.8/5 trust rating and strong owner consensus on core features—excellent price-to-value without compromise.
You need a proven, low-risk dumbbell from a brand you can trust.
Bowflex is an established brand, 2299 reviews show broad consensus, and the 840 is a mature, settled product with no quality red flags—a safe default choice.
You want dumbbells that work straight out of the box with minimal fuss.
SelectTech dial-adjustment mechanism is intuitive and requires no setup; owners praise ease of weight changes, making it a clear safe-default for hassle-free use.
You're shopping for the objectively best adjustable dumbbell in its class.
High buyer rating (4.8/5, 2299 reviews) and top marks across space, weight adjustment, build, and comfort; however, premium models like SelectTech 1090 offer wider range and deeper prestige.
Grounded in our buyer-review, reviewer-video, price and successor signals — a poor fit names a closer pick · as of Jul 7.
Frequent rivals?
What it competes against.
- SelectTech 552 Adjustable DumbbellsBowflexSelectTech 552 Adjustable Dumbbells leads 1–0 · 1 shared$400–$430Read
- Quick-Lock Adjustable DumbbellsIronmasterIronmaster leads 1–0 · 1 sharedRead
- CAP Barbell Adjustable Dumbbell SetCAP BarbellCAP Barbell leads 1–0 · 1 sharedRead
- Pro 50 Adjustable DumbbellsPowerBlockPowerBlock leads 1–0 · 1 sharedRead
- AD80 Adjustable DumbbellsSnodeSnode leads 1–0 · 1 sharedRead
- Adjustable Dumbbell Pair 25 lbFLYBIRDBowflex leads 1–0 · 1 sharedRead
- SpaceSaver Adjustable DumbbellsProFormBowflex leads 1–0 · 1 sharedRead
Alternatives by price · Same field?
Same field, less money.
The recap
Where it stands today.
- PositionBest rank #28 across 1 intent tracked (slipped 19 this week).
- FootprintStrongest in Best Adjustable Dumbbells (#28).
- TraitsMost often described as “beginner friendly”.
- Closest rivalSelectTech 552 Adjustable Dumbbells (0–1 across 1 shared intent).
- MakerBy Bowflex — see how it ranks across other intents on its brand profile.
browse SelectTech 840 in these categories