Ethan BrooksBy Ethan Brooks

If you want a compact, quick-change set and you mostly train with moderate loads, the nordictrack iselect adjustable dumbbells are a practical choice with a smooth, selector-style adjustment. If you expect to go heavier over time or care most about a long track record and wide parts availability, a Bowflex-style selectorized set is usually the stronger pick. Both are built for home gyms, but they reward different habits.

This comparison looks at how the two options stack up on the criteria that matter most when you are living with dumbbells every day: weight range, adjustment mechanism, footprint, durability, ease of use, and long-term support. Specifications below come from what manufacturers publish and what owners commonly report. Always check the current listing for exact figures, because model updates change weight increments and dimensions.

Quick Comparison Table

Criteria NordicTrack iSelect Adjustable Dumbbells Bowflex Selectorized Adjustable Dumbbells
Typical maximum weight per dumbbell Mid-range, suited to moderate and intermediate lifting Higher maximum, suited to heavier loads and progression
Adjustment method Selector or dial-style weight change Selector dial with a pin-and-plate system
Weight change speed Fast, usually a few seconds per change Fast, similar speed once you know the pin positions
Footprint Compact, good for small rooms Compact for the weight range, but slightly larger overall
Increment granularity Stepped increments across the range Stepped increments, with some owners noting finer control at lower weights
Durability perception Owners generally report solid build for light-to-moderate use Owners often describe a long service life under regular use
Replacement parts and support Available through the manufacturer, parts depth varies Widely available parts and a large user community
Best fit Compact home gyms, moderate loads, quick changes Heavier progression, long-term buyers, larger range needs

Weight Range and Progression: Winner: Bowflex

Weight range is where most buyers should start, because it decides whether a set will still be useful after six months. Bowflex selectorized sets are generally associated with a higher maximum load per dumbbell, which matters if you are working toward heavy goblet squats, dumbbell rows, or single-arm presses with serious weight. The NordicTrack iSelect set covers the moderate and intermediate range well, but if you already know you will outgrow it, that ceiling will matter.

For a lot of home lifters, though, the working range is less than the advertised maximum. If you mostly train between 10 and 40 pounds per hand, both systems will serve you. Check the increment sizes too. Finer steps make it easier to progress by small amounts on overhead presses and curls, where a jump of five pounds can be too much.

Adjustment Mechanism and Speed: Winner: Tie

Both systems use a selector approach rather than loose plates, so you turn a dial or move a pin instead of sliding weights on and off a bar. Owners of both sets commonly report that changing weight takes only a few seconds once they are familiar with the layout. The difference is in the feel. Some people prefer the solid click of a pin-based system, while others like a dial that lets them turn through settings quickly.

Try to handle a unit in person if you can. A dial that is stiff or a pin that sticks will slow you down between sets, and between-set friction is where dumbbell training loses momentum. Most buyers find that either design works well after a short learning period, so this category is essentially even for practical purposes.

Footprint and Storage: Winner: NordicTrack iSelect

If floor space is tight, the NordicTrack iSelect design is typically the more compact of the two. A smaller footprint makes it easier to fit a pair in a spare bedroom, a corner of a living room, or a garage shelf setup. The Bowflex option is still reasonably compact for what it offers, but its wider range usually means slightly larger housings.

Measure your space before you order. Allow room to swing your arms during presses and to stand comfortably with the set on the floor. For tight rooms, check whether the dumbbells need a stand or cradle, because a stand adds its own footprint. If you are weighing options for a small apartment, our guide on How to Choose Adjustable Dumbbells for Small Spaces walks through clearance measurements in more detail.

Durability and Build Quality: Winner: Bowflex

Durability is harder to judge from a listing. Owners of selectorized Bowflex-style sets frequently describe a long service life, and the brand has been on the market long enough for many long-term reports to exist. The NordicTrack iSelect set also receives positive feedback for solid construction under light-to-moderate use, but reports are more mixed when people push heavy loads or drop the dumbbells repeatedly.

Look for a steel or hard-coated housing, tight-fitting selector components, and clear weight markings. Avoid buying based only on one review, and read recent owner feedback about pins, dials, and any cracking in the housing. Good build quality matters most in the first two years, when small issues show up and either get fixed or turn into frustration.

Ease of Use and Setup: Winner: NordicTrack iSelect

For first-time buyers, the NordicTrack iSelect layout often feels more immediately intuitive. Weight settings are easy to read, and the change mechanism tends to be straightforward for beginners. Bowflex users sometimes need a short period to learn pin positions and make sure each dumbbell is fully engaged before lifting, which is a safety step you should never skip.

Whichever you choose, do a test run before loading heavy weight. Confirm the selector is locked, lift lightly, and check that nothing shifts. Keep the dumbbells on a level, solid surface. Our article on Bowflex Adjustable Dumbbells Stuck? How to Free Them Safely is useful reading even if you are not a Bowflex owner, because the same principles of checking alignment apply to any selector set.

Long-Term Support and Parts: Winner: Bowflex

Parts availability is easy to overlook until you need a replacement. Bowflex sets have a large installed base, which means more replacement parts, more third-party guides, and more community troubleshooting. If a pin or dial fails, you are more likely to find a fix quickly. NordicTrack support has improved over time, but depth of parts and documentation varies by model and region, so check warranty terms and parts availability before you buy.

If you plan to keep your set for a decade, this category may matter more than any other. Look for clear warranty language, and keep your receipt and serial number together. For common issues, our guide to Bowflex Adjustable Dumbbells Replacement Parts: A Step-by-Step Guide shows how to identify what you need.

Which Should You Choose?

  • Choose the NordicTrack iSelect adjustable dumbbells if you have limited floor space, mostly train with moderate loads, and want a compact set that is easy to learn quickly.
  • Choose a Bowflex selectorized set if you expect to progress into heavier weights, want the widest range of options, and value a large community and parts network.
  • Choose NordicTrack if you are a beginner building a first home gym and want fast weight changes without a steep learning curve.
  • Choose Bowflex if you are a long-term lifter planning to add heavy compound work like squats, rows, and presses over several years.
  • Consider both in your comparison if you are still deciding. Our roundup Best Adjustable Dumbbells for Home Gyms: 5 Compared places them alongside other options for a wider view.

Before buying, also compare against other selectorized brands. Our review of Snode vs Nuobell Adjustable Dumbbells: Which Should You Choose? covers two more budget-minded alternatives, and Why Are Adjustable Dumbbells So Expensive? Key Reasons Explained explains where the cost difference in this category comes from.

View the NordicTrack option here: View on Amazon

View the Bowflex option here: View on Amazon

FAQ

Are NordicTrack iSelect dumbbells good for beginners?

Many beginners find them easy to learn because the weight changes are simple and the layout is clear. Start with lighter loads while you learn the adjustment routine, and always confirm the selector is fully locked before lifting. If you have an injury or a medical condition, check with a doctor or physical therapist before starting a new strength program.

Can I use adjustable dumbbells for squats and presses?

Yes, both selectorized designs can be used for goblet squats, lunges, rows, presses, and curls. Heavier compound movements like heavy front squats are better done with a barbell and rack, so use dumbbells for the work they handle well and stay within the manufacturer’s stated load limits.

How much space do I need for a pair?

Plan for enough clearance to lower and raise the dumbbells without hitting walls or furniture, usually a few feet of open space in each direction. Measure the footprint listed for your specific model and add room for your body during movements.

Do selector dumbbells wear out quickly?

Wear depends on how you use them. Owners who lift moderate weights and handle the sets carefully often report years of use, while heavy drops or frequent weight changes under load can accelerate wear on pins and dials. Inspect the selector regularly and replace worn parts promptly.

Which set has better resale value?

Brands with a large following tend to hold value better on the used market, and Bowflex generally has strong name recognition in that category. Resale depends on condition, completeness, and local demand, so keep all original components and documentation if you plan to sell later.

Conclusion

The NordicTrack iSelect adjustable dumbbells are a sensible pick for compact spaces, moderate loads, and buyers who want fast, simple weight changes. Bowflex-style selectorized sets generally win on maximum weight, parts availability, and long-term support, which makes them the stronger choice for lifters who expect to progress heavily. Measure your space, decide your likely top weight, and choose the option that fits the next two years of training, not just the first week. Consult a qualified trainer or physician if you are new to strength training or have any health concerns.

Ethan Brooks

About Ethan Brooks

Ethan Brooks is part of our editorial team and reviews and edits our budget home gym equipment guides, checking product details against manufacturer specifications and owner feedback.