A No-Nonsense Review of Bowflex, PowerBlock, Nuobell, and More
Thinking about upgrading your home gym? Adjustable dumbbells are one of the smartest ways to save space, train efficiently, and get stronger without cluttering your living room with 10 sets of weights. But not all adjustable dumbbells are built the same—and some feel more like a toy than a training tool.
Here’s a straightforward review of the most popular adjustable dumbbells on the market to help you make the right choice.
1. Bowflex SelectTech
Weight Range: 5 to 52.5 lbs per dumbbell
Adjustment Mechanism: Dial system
Pros:
- Smooth and easy-to-use dial system
- Comfortable handle grip
- Wide availability and strong customer support
Cons:
- Bulky size, even at lighter weights
- Not great for fast-paced workouts due to reset time
- Plastic parts feel less durable
Best For: Beginners to intermediate lifters who want convenience and don’t mind the extra bulk.
2. PowerBlock Adjustable Dumbbells
Weight Range: Varies by model; up to 90 lbs with EXP kits
Adjustment Mechanism: Pin-and-selector system
PowerBlock offers several models, ranging from compact beginner sets to heavy-duty EXP (expandable) versions. If you're looking to lift heavy and grow into your dumbbells over time, make sure to choose an EXP model that allows for future weight expansions up to 70 or 90 lbs per hand.
Pros:
- Extremely compact and well-balanced
- Durable construction that can withstand years of use
- Expandable weight options for long-term progression
Cons:
- Unique blocky shape takes some getting used to
- Pin system can feel clunky for fast-paced workouts
Best For: Strength-focused lifters who want compact gear and long-term scalability. Great for anyone serious about training without a full rack of dumbbells.
3. Nuobell Adjustable Dumbbells
Weight Range: 5 to 80 lbs per dumbbell
Adjustment Mechanism: Twist handle
Pros:
- Closest feel to traditional dumbbells
- Sleek metal design with fast weight changes
- Great balance and grip comfort
Cons:
- More expensive than most options
- Some users report occasional slipping with the twist lock
Best For: Lifters who want premium quality and a traditional dumbbell feel in an adjustable format.
4. Core Home Fitness Adjustable Dumbbells
Weight Range: 5 to 50 lbs per dumbbell
Adjustment Mechanism: Twist handle
Pros:
- Fast, one-handed adjustments
- Compact design and solid feel
- Cradle makes storage easy
Cons:
- Not expandable beyond 50 lbs
- Smaller weight range may limit progress
Best For: Everyday fitness and circuit training workouts. Great balance of form and function.
5. Ativafit Adjustable Dumbbells
Weight Range: 5.5 to 66 lbs per dumbbell (varies by model)
Adjustment Mechanism: Dial system
Pros:
- Affordable entry point for beginners
- Simple and lightweight
- Compact storage tray
Cons:
- Durability concerns with plastic parts
- Can rattle slightly at higher weights
Best For: Beginners or those looking for a budget-friendly option for light training.
Final Verdict: Which Adjustable Dumbbell Is Right for You?
If you want the most traditional feel and fastest transitions, go with Nuobells.
If you’re training heavy and want future-proof weight, PowerBlocks are a top pick.
For a user-friendly budget option, Bowflex SelectTech or Ativafit will get the job done.
Quick Recap:
- Nuobell – Premium feel, fast adjustment, most like a real dumbbell
- PowerBlock – Most compact, strongest weight range
- Bowflex – Easy dial system, but bulky and plastic-heavy
- Core Home Fitness – Best midrange balance of speed and quality
- Ativafit – Budget-friendly and simple for lighter training
No matter which set you choose, adjustable dumbbells are one of the smartest long-term investments for building strength at home without taking up much space.
Train Smarter with Sendy’s Weekly Workouts
Got your dumbbells? Put them to work with our free weekly functional strength and conditioning routines. Each workout is simple, effective, and designed to fit into real life, with just one kettlebell and a pair of dumbbells.