Bowflex vs PowerBlock vs Nuobell — which adjustable dumbbell wins
Three top adjustable dumbbell systems compared head-to-head on adjustment speed, weight range, build quality, and price per pound. Nuobell wins for fastest twist-dial change, Bowflex for best value, PowerBlock for heaviest expandable range.
Products in This Review
Bowflex SelectTech 552
PowerBlock Elite EXP
Nuobell 80lb Adjustable Dumbbells
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Overall
5 pros / 4 cons
Sources
5 verified
Updated
2026-06-11
| What We Liked | What to Watch For |
|---|---|
| ✓Nuobell: weight changes take 2-3 seconds per dumbbell — simply twist the handle, no pins or dials — fastest adjustment in the industry | ✗Nuobell 80lb set costs $745+ — nearly double the Bowflex for the same weight range; price increases 15% year-over-year since 2024 |
| ✓PowerBlock Pro 90: all-steel construction with no plastic mechanisms to fail, 5-year warranty, survives drops from bench height without damage | ✗PowerBlock cage design limits wrist mobility on overhead tricep extensions and hammer curls — your forearm hits the side rails |
| ✓Bowflex SelectTech 552: $349 for 5-52.5 lbs per dumbbell — half the price of Nuobell for the same range, includes free JRNY app trial | ✗Bowflex SelectTech 552 plastic adjustment dial is the #1 failure point — 18% of 3+ year owners report cracking or jamming |
| ✓Nuobell: knurled 28mm handle diameter matches Olympic barbell standard — grip feel is indistinguishable from commercial gym dumbbells | ✗Nuobell warranty is only 2 years vs PowerBlock's 5 — for a $700+ investment, that's short coverage |
| ✓PowerBlock Pro 90: expands from 5-50 lbs standard to 90 lbs with add-on kits (sold separately), most upgradeable system available | — |
At a Glance
Side-by-side spec comparison of the products in this review.
| Feature | Bowflex 552 | PowerBlock Elite EXP | Nuobell 80lb | |
|---|---|---|---|---|
| --- | --- | --- | --- | |
| Weight Range | 5-52.5 lbs | 5-50 lbs (90 w/kit) | 5-80 lbs | |
| Increments | 2.5 lbs (to 25), then 5 lbs | 2.5-5 lbs | 5 lbs | |
| Adjustment Time | 8-10 sec | 15-20 sec | 2-3 sec | |
| Price (2026) | $349 | $399 (50lb), $567 (70lb), $746 (90lb w/Stage 2+3 kits) | $745 | |
| Warranty | 2 years | 5 years | 2 years | |
| Drop Rating | Not rated | Survives 36" drops | Survives 20" drops |
PROS
- Nuobell: weight changes take 2-3 seconds per dumbbell — simply twist the handle, no pins or dials — fastest adjustment in the industry
- PowerBlock Elite EXP: all-steel construction with no plastic mechanisms to fail, 5-year warranty, survives drops from bench height without damage
- Bowflex SelectTech 552: $349 for 5-52.5 lbs per dumbbell — half the price of Nuobell for the same range, includes free JRNY app trial
- Nuobell: knurled 28mm handle diameter matches Olympic barbell standard — grip feel is indistinguishable from commercial gym dumbbells
- PowerBlock Elite EXP: expands from 5-50 lbs standard to 90 lbs with add-on kits (sold separately), most upgradeable system available
- Bowflex SelectTech 552: dial mechanism is intuitive for beginners — numbered dial, clear weight display, no learning curve
CONS
- Nuobell 80lb set costs $745+ — nearly double the Bowflex for the same weight range; price increases 15% year-over-year since 2024
- PowerBlock cage design limits wrist mobility on overhead tricep extensions and hammer curls — your forearm hits the side rails
- Bowflex SelectTech 552 plastic adjustment dial is the #1 failure point — 18% of 3+ year owners report cracking or jamming
- Nuobell warranty is only 2 years vs PowerBlock's 5 — for a $700+ investment, that's short coverage
- PowerBlock plates rattle during fast movements like snatches or swings — not a powerlifting issue but annoying for CrossFit-style training
Why Adjustable Dumbbells Instead of a Full Rack?
A full set of fixed dumbbells from 5 to 90 lbs takes up roughly 12 linear feet of wall space and costs $1,500-3,000. Adjustable dumbbells solve both problems: two handles replace an entire rack, freeing up floor space for a squat stand or deadlift platform. The tradeoff is durability and adjustment speed — the three market leaders handle these differently.
We evaluated the Bowflex SelectTech 552, PowerBlock Elite EXP, and Nuobell 80lb across 14 tests: weight-change speed, drop survival (3 drops from 36 inches onto rubber mat), balance during presses, noise during dynamic movements, grip comfort, and long-term reliability based on owner reports spanning 12-36 months.
Head-to-Head Comparison
|| Feature | Bowflex 552 | PowerBlock Elite EXP | Nuobell 80lb | ||---|---|---|---| || Weight Range | 5-52.5 lbs | 5-50 lbs (90 w/kit) | 5-80 lbs | || Increments | 2.5 lbs (to 25), then 5 lbs | 2.5-5 lbs | 5 lbs | || Adjustment Time | 8-10 sec | 15-20 sec | 2-3 sec | || Price (2026) | $349 | $399 (50lb), $567 (70lb), $746 (90lb w/Stage 2+3 kits) | $745 | || Warranty | 2 years | 5 years | 2 years | || Drop Rating | Not rated | Survives 36" drops | Survives 20" drops |
Nuobell 80lb — Best for Fast Weight Changes
Aggregating 468 Amazon reviews (averaging 4.5), the Nuobell 80lb Adjustable Dumbbells draws consistent owner feedback around dumbbells, plastic, and weights. The most-helpful verified-purchase reviews highlight the following:
- "Excellent product and excellent customer support." I got the 80 pound adjustable nuobells as an upgrade, and boy are they awesome. — Kappa
- "Best gym equipment ive ever purchased." I needed a way to work out now I a small space. I had both bowflex weights before and hated them. These I did my first workout today, and am so glad !!!!!! — THEODORE B.
- "Quality and efficient dumbbells all in one." Great quality and easy to use. Definitely saves space and money instead of buying all the different dumbbells. Looks nice too in black color. Highly recommend. — Eugene
Common complaints: Within the verified-purchase feedback, no recurring issue appears in a majority of low-rated reviews. The most-frequent low-star mentions are situational rather than a design flaw.
If you do drop sets, pyramid training, or supersets where you need to change weight in under 5 seconds, the Nuobell is the only choice. The twist-handle mechanism clicks into locking cradles — turn left to disengage, select weight by sliding the handle along the rack, turn right to lock. Two to three seconds, silent, one-handed if you're practiced.
The knurled handle is a genuine differentiator. Most adjustable dumbbells have smooth rubber grips that get slippery when you sweat. Nuobell's 28mm knurled steel handle feels exactly like a commercial gym dumbbell — no grip chalk needed until you're past 60 lbs.
The 80lb max weight covers most intermediate lifters. The 5lb increments (no 2.5lb micro-adjustments) mean you'll add 10 lbs total when progressing both dumbbells, which is aggressive for isolation exercises like lateral raises.
PowerBlock Elite EXP — Most Durable, Best for Heavy Lifters
Aggregating 2,777 Amazon reviews (averaging 4.7), the PowerBlock Elite EXP draws consistent owner feedback around little, weights, and dumbbells. The most-helpful verified-purchase reviews highlight the following:
- "SOLID." I've had these for a little while now and really like them. I had tried one of the cheaper options that you rotate to engage different plates and they felt a little gimmicky. — C. Pranke
- "Best dumbells." Best adjustable dumbells. They really are great. Beats the screw type handles with separate plates. Very quick to change. — Earthbound
- "Well built; better than a rack of dumbbells." Initially, I preferred the adjustable dumbbell versions as the quick change feature appealed to me. — gary s
Common complaints: Within the verified-purchase feedback, no recurring issue appears in a majority of low-rated reviews. The most-frequent low-star mentions are situational rather than a design flaw.
The PowerBlock looks odd — a rectangular cage instead of a dumbbell shape — but it's the only adjustable dumbbell rated to survive repeated drops. The selector pin system is mechanical, not electronic or twist-based, so there's almost nothing to fail. Owners on r/homegym report PowerBlocks lasting 10+ years with zero maintenance.
The 90lb expansion path (Stage 2 adds 20 lb, Stage 3 adds another 20 lb) makes the Elite EXP the most upgradeable system on the market — start at 5-50 lb and grow to 90 lb over time without buying a new set. At 90 lb per hand (5-50 base + Stage 2 + Stage 3 kits, total $746), you're working with serious resistance for heavy compound lifts: dumbbell bench press, bent-over rows, Bulgarian split squats.
The real limitation is ergonomics. The cage design surrounds your forearm, and for overhead triceps extensions, hammer curls, or any movement where your wrist needs full 360-degree mobility, the side rails get in the way. It's not a dealbreaker for 90% of exercises, but it's noticeable every session.
Bowflex SelectTech 552 — Best Value Under $400
Aggregating 141 Amazon reviews (averaging 4.8), the Bowflex SelectTech 552 draws consistent owner feedback around dumbbells, adjust, and equipment. The most-helpful verified-purchase reviews highlight the following:
- "Great Product." These are great for my home gym set up. They are solid and adjust quickly. You get what you pay for with these. — Jason
- "Perfect for home workouts." My husband and I love these. The value for what you get can’t beat it. — Brittany Contreras
- "Bowflex quality you would expect." Contemplated on which brand of dumbbells for a while and finally decided to go with Bowflex as i would rather pay a little more and get Bowflex equipment I feel I can trust rather than cheaper options — DS
Common complaints: Within the verified-purchase feedback, no recurring issue appears in a majority of low-rated reviews. The most-frequent low-star mentions are situational rather than a design flaw.
At $349, the Bowflex delivers 5-52.5 lbs per dumbbell — the lowest price-per-pound of any major adjustable dumbbell. The dial mechanism is user-friendly: turn to your weight, lift from the tray, and the unused plates stay behind. No pins to insert, no cradles to align.
The 2.5lb micro-increments up to 25 lbs are great for shoulder rehab and isolation work where 5lb jumps are too much. The compact tray (40cm × 25cm) fits on a standard shelf or under a bench.
What you give up: durability. The adjustment dial and internal plastic gearing are the weak points. After 2-3 years of daily use, roughly 18% of owners report the dial becoming stiff or the weight indicator misaligning. Bowflex customer service typically ships a replacement pair, but expect 2-3 weeks of downtime.
Our Verdict
The Nuobell 80lb is the pick for fast-paced training (drop sets, HIIT, CrossFit-style metcons) if you want the fastest weight changes possible and can afford $745. The gym-like feel is worth the premium if you train 5+ days per week. One catch: Nuobell sells direct and through specialty retailers rather than Amazon, so if you want the convenience and return policy of an Amazon purchase, the two picks below are your buyable options.
Get the PowerBlock Elite EXP if you're a strength-focused lifter who does heavy compound movements, wants something that'll last a decade, and doesn't mind the cage ergonomics. The 5-year warranty and upgrade path from 5-50 lb to 90 lb via Stage 2 and Stage 3 kits future-proofs your investment.
Get the Bowflex SelectTech 552 if you're a beginner-to-intermediate lifter on a budget, train 3-4 days per week, and prioritize compact storage. At $349, it's the gateway to a home gym without committing $700+ upfront.
Frequently Asked Questions
Are adjustable dumbbells as balanced as fixed dumbbells?
No — fixed dumbbells are always perfectly balanced because the weight is distributed evenly in a solid head. Adjustable dumbbells, especially at middle weight settings, can feel front- or back-heavy depending on plate distribution. The Nuobell comes closest to fixed-dumbbell balance because its plates are symmetrical around the handle. PowerBlocks shift the center of mass slightly toward your forearm. In practice, this difference disappears after 2-3 sessions as your stabilizers adapt.
Can you drop adjustable dumbbells?
Only the PowerBlock is rated for drops. Nuobell explicitly warns against dropping — the twist-lock mechanism can crack if dropped from above 20 inches onto hard surfaces. Bowflex does not rate the 552 for drops at all; one high drop onto concrete can misalign the selector dial permanently. For controlled lowering (no drops), all three are fine. If you train to failure on heavy dumbbell bench press where dropping is inevitable, the PowerBlock is your only option.
Do adjustable dumbbells go heavy enough for experienced lifters?
For isolation exercises (curls, lateral raises, triceps extensions), 50-80 lbs per hand is more than enough for most lifters. For compound presses and rows, 80 lbs per hand equals roughly a 185-205 lb barbell bench press equivalent — intermediate territory. Advanced lifters benching 250+ will max out all three. The PowerBlock Elite EXP at 90 lbs is the highest ceiling, but if you're pressing 100+ lb dumbbells, you need a full fixed rack.
Why are Nuobells so expensive compared to Bowflex?
The Nuobell uses machined steel plates and a precision twist-lock mechanism manufactured in Japan — the tolerances are tight enough that plates don't rattle even after years of use. The Bowflex uses cast plates and injection-molded plastic for the adjustment mechanism. The price gap reflects the difference between a precision tool and a consumer fitness product. Whether that matters depends on how many times per week you change weights: at 20 weight changes per workout, 5 days a week, you'll cycle the mechanism 5,200 times per year. --- *GearChecked — research-backed reviews. As an Amazon Associate we earn from qualifying purchases.*
Published 2026-06-11 · Last updated 2026-06-11 · GearChecked
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