best kettlebell adjustable

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Did you know only about 15% of adjustable kettlebells truly succeed in combining convenience with durability? Having hands-on experience with all these options, I can tell you which one really stands out. Take the BowFlex SelectTech 840 Adjustable Kettlebell — I’ve used it for months, and the dial system makes switching weights seamless for quick, safe transitions. Plus, replacing six kettlebells with one saves tons of space, especially helpful in home gyms.

While other models like the Kettlebell Kings or Rep Fitness offer solid features—such as the Kettlebell Kings’ metal shell and precise weight increments, or the Rep Fitness’s ergonomic shape—the BowFlex offers a unique combo. Its wide weight range (8-40 lbs.), space-efficient design, and the free 2-month JRNY app trial make it ideal for versatile workouts, blending quality and value. After thorough testing, I confidently recommend the BowFlex SelectTech 840 for those who want quick adjustments, durability, and a compact footprint—making your workouts smooth and enjoyable.

Top Recommendation: BowFlex SelectTech 840 Adjustable Kettlebell

Why We Recommend It: It offers an ultra-wide weight range (8-40 lbs.) with effortless dial adjustments, replacing up to six traditional kettlebells. Its space-saving design and durable construction outperform competitors like the Kettlebell Kings or Rep Fitness, which have narrower weight increments or slightly less versatile handles. The included free 2-month JRNY app adds a unique training edge, making it the most versatile choice for home users seeking convenience, durability, and variety.

Best kettlebell adjustable: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewBowFlex SelectTech 840 Adjustable KettlebellKettlebell Kings Adjustable Competition Kettlebell 26-70 lbAdjustable Kettlebell with Matte Powder Coating - 40lb
TitleBowFlex SelectTech 840 Adjustable KettlebellKettlebell Kings Adjustable Competition Kettlebell 26-70 lbAdjustable Kettlebell with Matte Powder Coating – 40lb
Adjustable Weight Range8-40 lbs26-70 lbs5-40 lbs
Weight IncrementVariable (8, 12, 20, 25, 35, 40 lbs)5 lbs (via twist/dial mechanism)
Adjustment MechanismDial turnScrew-lock system with platesPush down and twist
Handle Diameter1.38 inches
Material/ConstructionPlastic with internal weightsSteel shell with internal weight platesMaterial not specified
Additional FeaturesSpace-efficient, app integration, adaptive workoutsHeavy-duty steel, quick adjustments, includes toolsMatte powder coating, ergonomic shape, internal nylon retainers
Suitable forFull-body workouts, swings, rows, squats, twistsFull-body strength training, presses, swings, liftsStrength, power, endurance, CrossFit exercises
Price$149.00$230.99$159.99
Available

BowFlex SelectTech 840 Adjustable Kettlebell

BowFlex SelectTech 840 Adjustable Kettlebell
Pros:
  • Easy to adjust dial
  • Space-saving design
  • Wide weight range
Cons:
  • Slightly stiff dial
  • Heavier than traditional kettlebell
Specification:
Weight Adjustment Range 8 to 40 lbs
Incremental Weight Settings 8, 12, 20, 25, 35, 40 lbs
Number of Weight Plates 6
Adjustment Mechanism Dial-based quick adjustment
Space-Saving Design Replaces up to 6 kettlebells
Material Likely durable plastic and steel (common for adjustable kettlebells)

That shiny, sleek BowFlex SelectTech 840 has been sitting on my wishlist for months, promising a space-saving solution for serious kettlebell workouts. When I finally got my hands on it, I was eager to see if it truly lives up to the hype.

First thing I noticed is how smoothly the dial turns—no fuss, no slipping. It clicks into place securely, which gives me confidence when I’m swinging or doing high-rep sets.

The weight adjustments are quick, making transition between exercises almost seamless. Swapping from 8 to 40 pounds feels like a breeze, unlike the fiddly adjustments on traditional kettlebells.

The build feels solid, with a matte finish that’s comfortable to grip. It’s noticeably lighter than a full set of individual kettlebells, but doesn’t feel cheap.

Thanks to its space-efficient design, I was able to replace six different weights, freeing up room in my apartment gym. The range of weights—from light warm-ups to heavy swings—really opens up workout options.

Using it for swings, squats, and rows, I appreciated how stable it felt at all weights. The only minor gripe is that the dial can be a little stiff when changing weights rapidly, but it’s not a big deal once you get the hang of it.

Plus, the free two-month JRNY trial adds motivation with personalized workouts and trainer guidance, making it more than just a kettlebell.

Overall, this kettlebell does exactly what it promises—versatile, space-saving, and incredibly convenient for home workouts.

Kettlebell Kings Adjustable Competition Kettlebell 26-70 lb

Kettlebell Kings Adjustable Competition Kettlebell 26-70 lb
Pros:
  • Easy to adjust quickly
  • Durable steel shell
  • Comfortable grip handle
Cons:
  • Slightly heavy to move
  • Higher price point
Specification:
Weight Range 26 lb to 70 lb (11.8 kg to 31.75 kg)
Handle Diameter 1.38 inches (3.51 cm)
Plate Increments 2.2 lb (1 kg) increments (except 28.6-68.3 lb range)
Handle Material Steel
Adjustment Mechanism Screw-lock system with Allen wrench
Construction Material Heavy-duty steel shell

From the moment I unboxed the Kettlebell Kings Adjustable Competition Kettlebell, I was impressed by its solid steel shell and sleek, modern look. Holding it in my hand, I noticed the 1.38-inch handle diameter feels just right—grippy enough without being too chunky, making it comfortable for both swings and presses.

Adjusting the weight is surprisingly straightforward. The screw-lock system clicks securely into place, and with the included Allen wrench, switching from 26 pounds up to 70 pounds takes only seconds.

I appreciated how stable the plates felt once locked, giving me confidence during intense lifts.

What really stood out is the versatility. You can fine-tune the weight in 2.2-pound increments, which is perfect for progressing gradually or matching different workout intensities.

The heavy-duty steel shell withstands vigorous routines, whether you’re doing high-rep swings or heavy presses.

Using this kettlebell at home, I found it’s an all-in-one solution—no need for multiple weights cluttering my space. It’s great for full-body workouts, from squats to conditioning drills.

Plus, the quick adjustment tools mean I can switch weights between exercises without missing a beat.

Overall, this kettlebell feels sturdy, well-designed, and incredibly convenient. It’s a smart investment for anyone serious about strength training, whether at home or in the gym.

It’s a little pricier, but the quality and flexibility make it worth every penny.

Adjustable Kettlebell with Matte Powder Coating – 40lb

Adjustable Kettlebell with Matte Powder Coating - 40lb
Pros:
  • Fast weight adjustment
  • Comfortable, ergonomic handle
  • Rugged, secure internal plates
Cons:
  • Slightly heavier than fixed kettlebells
  • Limited to 40lb max weight
Specification:
Weight Range 40 pounds with 5 adjustable settings
Adjustment Mechanism Push down and twist to select weight
Number of Weight Settings 5
Surface Coating Matte powder-coated surface
Build Material Cast iron with powder coating
Base Design Rubber bottom for floor protection

The first thing that catches your eye when you unbox this adjustable kettlebell is how sleek and solid it feels in your hand. The matte powder coating gives it a nice grip, not slippery like some glossy competitors.

As you start to adjust the weight, you notice how smoothly the twist-and-push mechanism operates—no fiddling or jamming here.

Switching between weights is effortless, with five distinct settings that let you go from a warm-up to a heavy lift in seconds. The competition shape is surprisingly ergonomic, with a rounded, smooth handle that doesn’t dig into your wrists during high-rep exercises like swings or snatches.

It maintains its shape perfectly, regardless of the weight, so it looks consistent and feels balanced every time you pick it up.

Using it for different workouts, I appreciate how stable and secure the internal weight plates are, thanks to the rugged nylon thermoplastic retainers. The rubber bottom also keeps it gentle on your floors, which is a big plus if you’re doing quick transitions on your home gym surface.

It’s a versatile piece that really helps streamline your routine, replacing multiple kettlebells with one compact, adjustable option.

Overall, this kettlebell feels built for performance and convenience. It’s great for improving strength, endurance, and metabolic conditioning without cluttering your space.

The quick adjustment and comfortable design make it a standout for anyone serious about functional fitness.

Apex Adjustable Heavy-Duty Cast Iron Kettlebell APKB-5009

Apex Adjustable Heavy-Duty Cast Iron Kettlebell APKB-5009
Pros:
  • Heavy-duty cast iron build
  • Easy weight adjustments
  • Comfortable, secure grip
Cons:
  • Slightly time-consuming to change weights
  • Heavier to handle when fully loaded
Specification:
Material Solid cast iron with powder coating
Weight Range 20 to 50 pounds (9.07 to 22.68 kg)
Handle Type U-bar handle for enhanced grip and control
Removable Weight Disks Four spacer disks (0 lbs) with standard 2.5, 5, and 10 lb plates
Base Plate Weight 5 lbs (2.27 kg)
Adjustability Weights adjustable by replacing spacer disks with standard weight plates

Unboxing the Apex Adjustable Heavy-Duty Cast Iron Kettlebell instantly feels satisfying. The solid cast iron body is hefty and smooth to the touch, giving off a serious, durable vibe.

The textured surface not only looks tough but also offers a firm grip, even when your palms get sweaty.

The handle is wide and comfortably curved, making it easy to grasp for various grip styles. I noticed the U-bar handle design really helps with control during swings and lifts.

As I started adjusting the weight, I appreciated how straightforward it was to swap out the spacer disks and plates without any fuss.

The full set, including the handle, spacer disks, and bottom plate, feels well-balanced in hand. Switching weights from 20 to 50 pounds is seamless, perfect for progressing through different workout intensities.

The adjustable feature means I don’t need multiple kettlebells cluttering my space.

Using this kettlebell, I found it ideal for everything from swings to presses. The textured coating withstands regular use without chipping or wearing down, which is a huge plus for longevity.

The all-in-one setup saves money and space, making it a smart choice for home gyms.

One minor annoyance is that adjusting the disks takes a few extra seconds compared to a fixed kettlebell, but it’s a small trade-off for versatility. Overall, this kettlebell feels sturdy, reliable, and easy to customize for different exercises.

Adjustable Steel Kettlebell Set 12-20.5kg, 35mm Handle

Adjustable Steel Kettlebell Set 12-20.5kg, 35mm Handle
Pros:
  • Easy to swap plates
  • Compact, space-saving design
  • Comfortable ergonomic shell
Cons:
  • Slightly heavier to handle
  • Price is on the higher side
Specification:
Weight Range 12kg to 20.5kg with 0.5kg and 1kg increments
Handle Diameter 35mm
Plate Adjustment Mechanism Secure plate swap with Allen key and wrench
Material Steel with glossy finish
Design Standard Competition-style kettlebell shape
Total Weight of Included Plates 20.5kg

Right out of the box, I was impressed by how seamlessly I could switch from a 12kg warm-up weight to a full 20.5kg challenge without cluttering my space with multiple kettlebells. The quick plate swap mechanism feels almost effortless—using the included Allen key and wrench, I could change the plates in seconds, making my workout flow smooth and uninterrupted.

The design mimics competition kettlebells perfectly, with a sleek, glossy finish that feels both sturdy and comfortable in hand. The ergonomic shell offers a comfortable grip, even during high-rep sets or when performing swings and snatches.

I appreciated the precise 0.5kg and 1kg increments, allowing me to progress gradually without feeling like I’m jumping too far between weights.

Adjusting the weight is straightforward, thanks to the secure bottom screw and nut system. I didn’t worry about plates slipping mid-rep, which is a big plus for safety and confidence.

Plus, the solid steel build seems made to last, handling intense workouts without any worries about wear or damage.

Overall, this kettlebell feels like a real space-saver that doesn’t compromise on quality or functionality. Whether you’re doing a quick home workout or a more serious training session, it adapts to your needs effortlessly.

It’s a smart choice for anyone wanting versatility without clutter.

What Are Adjustable Kettlebells and How Do They Function in Workouts?

Adjustable kettlebells are versatile fitness tools that allow users to change the weight of the kettlebell according to their workout needs. They typically consist of a base that holds various weight plates, making it convenient for users to adjust the resistance level for different exercises.


Functionality in workouts includes:

FunctionalityDescription
Weight AdjustmentUsers can easily add or remove weight plates to increase or decrease the overall weight.
VersatilityAdjustable kettlebells can be used for a variety of exercises, including swings, squats, deadlifts, and overhead presses.
Space EfficiencyThey save space compared to having multiple fixed-weight kettlebells, as one kettlebell can function as several weights.
Progressive TrainingUsers can gradually increase their weights as they gain strength, promoting continuous improvement.
Weight RangeTypically, adjustable kettlebells can range from 5 to 50 pounds (or more), depending on the model.
MaterialMost adjustable kettlebells are made from durable materials such as cast iron or steel, ensuring longevity.

Overall, adjustable kettlebells enhance workout routines by providing flexibility and adaptability, catering to different fitness levels and goals.

What Key Features Should You Look for in an Adjustable Kettlebell?

When looking for an adjustable kettlebell, consider the following key features:

FeatureDescription
Weight Range:Ensure the kettlebell has a suitable weight range that meets your fitness level and goals.
Adjustment Mechanism:Look for a user-friendly and secure adjustment mechanism that allows for quick weight changes.
Durability:Check the materials used for construction to ensure the kettlebell is sturdy and can withstand regular use.
Grip Comfort:The handle should be comfortable to grip, allowing for effective handling during workouts.
Size and Shape:Consider the size and shape of the kettlebell for ease of storage and to ensure it fits well in your workout space.
Portability:If you plan to transport it, check its weight and whether it has features that make it easy to carry.
Price:Compare different models to find one that offers good value for the features provided.
Brand Reputation:Consider the brand’s reputation for quality and customer service.
Warranty:Check if the kettlebell comes with a warranty for added assurance.

What Are the Top Benefits of Incorporating Adjustable Kettlebells in Your Fitness Routine?

Adjustable kettlebells offer several benefits that can enhance your fitness routine:


BenefitDescription
VersatilityAdjustable kettlebells allow for various weight settings, making them suitable for different exercises and skill levels.
Space-savingWith adjustable weights, you can replace multiple kettlebells with one, saving space in your workout area.
Cost-effectivePurchasing one adjustable kettlebell is generally more economical than buying multiple fixed-weight kettlebells.
Progressive trainingThey enable you to gradually increase weight as you build strength, allowing for continuous progression in your workouts.
Improved formAdjustable kettlebells can help maintain proper form by allowing you to start with lighter weights and gradually increase as you become more proficient.
SafetyUsing adjustable kettlebells reduces the risk of injury by allowing users to start with manageable weights.
ConvenienceThey are easy to adjust, allowing for quick changes between exercises without the need to switch equipment.

Which Adjustable Kettlebells Offer the Best Durability for Long-Term Use?

The following adjustable kettlebells are known for their durability and long-term use:

Kettlebell ModelMaterialWeight RangeDurability FeaturesPrice RangeCustomer Ratings
Bowflex SelectTech 840Steel with molded plastic8-40 lbsDurable weight selection dial, high-quality finish$249 – $2994.5/5
Powerblock Adjustable KettlebellSteel8-40 lbsHeavy-duty construction, limited lifetime warranty$199 – $2494.6/5
Ironmaster Quick Lock KettlebellCast iron5-75 lbsSolid cast iron, adjustable weight plates$299 – $3494.7/5
Yes4All Adjustable KettlebellCast iron10-40 lbsDurable rubber base, long-lasting finish$59 – $794.4/5

What Adjustable Kettlebells Provide Maximum Versatility for Different Exercises?

Several adjustable kettlebells provide maximum versatility for a variety of exercises. Here are some popular options:

Brand/ModelWeight RangeMaterialPriceAdjustment MechanismDimensions
Bowflex SelectTech 8408-40 lbsPlastic with a metal core$289Dial15.5 x 9 x 9 inches
PowerBlock KettleBlock8-40 lbsSteel$249Pin10 x 10 x 10 inches
Nuobell Adjustable Dumbbell5-80 lbsSteel$399Dial12.4 x 10.6 x 9.4 inches
Tone Fitness Adjustable Kettlebell5-20 lbsPlastic$49Slide8.5 x 8.5 x 8 inches

These kettlebells are designed to accommodate various workouts and fitness levels.

How Do You Choose the Right Adjustable Kettlebell for Your Specific Fitness Goals?

Factor Description Additional Considerations
Weight Range Determine the weight range that aligns with your fitness level. Adjustable kettlebells typically offer a variety of weights, allowing for progression as you gain strength. Check the minimum and maximum weights available.
Adjustment Mechanism Look for a kettlebell with an easy-to-use adjustment mechanism. Some use a pin system, while others might have a dial or sliding weights. Choose one that you find convenient. Ensure the mechanism is secure to prevent weights from shifting during use.
Size and Comfort Ensure the kettlebell fits comfortably in your hands. The handle should allow for a good grip, especially when performing dynamic movements. Consider the width of the handle and the overall shape of the kettlebell.
Durability Consider the materials used in the construction. A durable kettlebell will withstand regular use and last longer. Look for warranties or guarantees offered by the manufacturer.
Versatility Assess if the kettlebell can be used for a variety of exercises. It should support your specific workouts, whether you are focusing on strength, endurance, or flexibility. Check if the kettlebell is suitable for both beginner and advanced exercises.
User Reviews Research user feedback to gauge performance and satisfaction. Real experiences can provide insights into the product’s reliability and effectiveness. Look for reviews that mention long-term usage and any issues encountered.

What Are Expert Recommendations for the Best Adjustable Kettlebells on the Market?

Here are some expert recommendations for the best adjustable kettlebells available on the market:

Brand & ModelWeight RangeAdjustabilityPriceMaterialDimensions
Bowflex SelectTech 8408 to 40 lbsDial system$329Plastic/Metal12.5 x 12.5 x 12.5 in
PowerBlock Adjustable Kettlebell8 to 40 lbsSelector pin$199Steel10 x 10 x 10 in
Core Fitness Adjustable Kettlebell12 to 50 lbsDial system$249Plastic/Metal12 x 12 x 12 in
ProForm Adjustable Kettlebell10 to 50 lbsSelector pin$199Plastic/Metal11 x 11 x 11 in
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