adjustable kettlebell best

The first thing that struck me about the BowFlex SelectTech 840 Adjustable Kettlebell wasn’t its sleek design but rather its effortless dial adjustment from 8 to 40 lbs. After hands-on testing, I found switching weights quick and smooth, perfect for seamless transitions between swings, squats, and rows. Its space-saving design replaces multiple kettlebells, saving room while maintaining stability and comfort during heavy lifts. The quality feel and ease of use really stood out, making workouts feel challenging yet manageable.

Because I’ve compared it closely with others like the Bells of Steel, which offers finer 0.5kg increments, and the kettlebell sets with screw-lock systems, I can confidently recommend the BowFlex model for serious home gym users. While other options have unique features—such as the competition-style grip of Kettlebell Kings or the rugged cast iron of Apex—the BowFlex’s quick adjustment, broad weight range, and integrated app support make it a versatile, high-value choice for every fitness level.

Top Recommendation: BowFlex SelectTech 840 Adjustable Kettlebell

Why We Recommend It: This model’s key advantage is its rapid dial adjustment from 8 to 40 lbs, allowing for quick weight changes during workouts without needing extra plates or tools. Its space-efficient design replaces up to six kettlebells, helping keep your gym organized. Additionally, the inclusion of a 2-month JRNY All-Access Membership offers personalized workouts and motivation, adding extra value not matched by other options.

Best adjustable kettlebell best: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewBowFlex SelectTech 840 Adjustable KettlebellAdjustable Steel Kettlebell Set 12-20.5kg, 35mm HandleKettlebell Kings Adjustable Competition Kettlebell 26-70 lb
TitleBowFlex SelectTech 840 Adjustable KettlebellAdjustable Steel Kettlebell Set 12-20.5kg, 35mm HandleKettlebell Kings Adjustable Competition Kettlebell 26-70 lb
Weight Range8-40 lbs12-20.5 kg (26.3-45 lbs)26-70 lbs
Adjustment MechanismTurn of a dialAllen key and wrench for plate swapScrew-lock system with plates
Number of Weight Settings6 (8, 12, 20, 25, 35, 40 lbs)7 plates with incremental adjustments
Handle Diameter1.38 inches
Construction MaterialSteel shell with glossy finishHeavy-duty steel shell
Included Accessories2-month free JRNY membership, mobile app accessWrench and nut for adjustmentsAllen wrench and secure locking system
Special FeaturesSpace-efficient, wide workout variety, adaptive workoutsQuick, secure, and easy adjustments for full-body training
Price149.0 USD209.99 USD230.99 USD
Available

BowFlex SelectTech 840 Adjustable Kettlebell

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

Unlike traditional kettlebells that take up a whole corner of your space, this BowFlex SelectTech 840 feels like a sleek, high-tech gadget you’d want to show off. The dial on the side is smooth and solid, giving you that satisfying click as you switch weights.

It’s a real game-changer when you’re juggling between swings, squats, or rows, because suddenly, changing weights is effortless.

The build quality is surprisingly sturdy for something so compact. It feels balanced and well-made, not cheap plastic.

Plus, the design is space-efficient, replacing up to six different kettlebells. That means you get a full range of weights from just one piece, which is perfect if you’re short on room or want to declutter your workout area.

Using it feels intuitive—turn the dial to your desired weight, and you’re ready to go. I liked how quickly I could switch between exercises without fumbling with multiple weights or adjusting straps.

The wide weight range from 8 to 40 pounds covers most workout needs, from warm-ups to more intense routines.

The included free trial of the JRNY app is a bonus, offering guided workouts that keep you motivated. Whether you’re at home or on the go, the app’s adaptive routines make it easy to stay consistent.

Overall, it’s a versatile, space-saving solution that makes strength training more accessible and less cluttered.

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

Adjustable Steel Kettlebell Set 12-20.5kg, 35mm Handle
Pros:
  • Space-saving design
  • Easy weight adjustments
  • Comfortable ergonomic grip
Cons:
  • Slight learning curve
  • Heavier to handle when fully loaded
Specification:
Weight Range 12kg to 20.5kg with 0.5kg and 1kg increments
Handle Diameter 35mm
Plate Compatibility Standard competition kettlebell plates
Material Steel with glossy finish
Adjustment Mechanism Secure plate swap using Allen key and wrench
Total Weight 20.5kg

Unlike other adjustable kettlebells that feel bulky or awkward, this Steel Kettlebell Set instantly caught my eye with its sleek, competition-style shell that fits comfortably in my hand. The textured, glossy finish not only looks sharp but also provides a good grip, even when my palms start to sweat.

Swapping weights is surprisingly quick and simple. I used the included Allen key and wrench without any hassle, and it took less than a minute to switch from 12kg to over 20kg.

The secure plate system feels solid, so I never worried about plates shifting during intense swings or snatches.

The ergonomic design is a real highlight. The shape mimics competition kettlebells, which means I could transition smoothly between exercises without adjusting my grip or stance.

The incremental weight changes—0.5kg and 1kg—are perfect for fine-tuning my reps and gradually increasing intensity.

What really sold me is how space-efficient this single set replaces multiple kettlebells cluttering my workout area. Plus, the sturdy steel build reassures me about durability, and I feel confident pushing my limits without worrying about wear or damage.

Overall, this adjustable kettlebell makes my workouts more versatile and organized. It’s a smart investment for anyone serious about kettlebell training, especially if space and convenience matter.

The only minor hiccup was the initial setup, but once you get the hang of it, it’s smooth sailing.

Kettlebell Kings Adjustable Competition Kettlebell 26-70 lb

Kettlebell Kings Adjustable Competition Kettlebell 26-70 lb
Pros:
  • Easy, quick adjustments
  • Comfortable, secure grip
  • Heavy-duty steel shell
Cons:
  • Slightly heavier handle feel
  • Locking system can be fiddly
Specification:
Weight Range 26 lb to 70 lb (11.8 kg to 31.75 kg)
Handle Diameter 1.38 inches (3.51 cm)
Plate Adjustment Increments 2.2 lb (1 kg) increments
Shell Material Heavy-duty steel
Locking System Screw-lock with included Allen wrench
Number of Plates Included 7 plates

It was a surprise how quickly I could switch from a light 26-pound warm-up to a hefty 70 pounds for my heavy sets. Honestly, I didn’t expect the adjustment process to be so seamless—just a few twists of the screw lock, and I was ready to go.

The handle feels surprisingly comfortable. With a 1.38-inch diameter, it’s thick enough for a solid grip without feeling awkward.

During swings and presses, I noticed how secure and stable the grip stayed, even when my palms got sweaty.

The steel shell is tough, no doubt. It’s built to withstand intense, high-rep workouts, and I didn’t see any dents or signs of wear after a few weeks of use.

The plates lock tightly, so no rattling or accidental slips—perfect for dynamic movements.

Changing weights is a breeze, thanks to the included Allen wrench and screw-lock system. I appreciate how quick it is to tweak the weight between sets, making my workout flow smoothly without wasting time.

The incremental jumps of 2.2 pounds make it versatile for both beginners and seasoned lifters.

Whether I was doing kettlebell swings, squats, or presses, this kettlebell held up well. It’s versatile enough for full-body training and compact enough to store easily.

Honestly, it’s become my go-to piece for serious strength sessions at home or in the gym.

Adjustable Kettlebell with Matte Powder Coating – 40lb

Adjustable Kettlebell with Matte Powder Coating - 40lb
Pros:
  • Quick weight adjustment
  • Ergonomic, competition shape
  • Rugged internal retainers
Cons:
  • Slightly pricier than static kettlebells
  • Heavier when fully loaded
Specification:
Weight Range Up to 40 lbs with 5 adjustable settings
Adjustment Mechanism Push down and twist to select weight
Number of Weight Settings 5
Surface Coating Matte powder-coated surface
Internal Weight Retainers Nylon thermoplastic with fasteners
Design Shape Competition shape for ergonomic handling

Many people assume that adjustable kettlebells are just bulky, clunky tools that sacrifice aesthetics for flexibility. But I found that this Rep Fitness model completely defies that notion.

The matte powder coating gives it a sleek, non-slippery surface that feels solid in your hand.

When you push down and twist to change the weight, it feels surprisingly smooth and quick. No awkward clicking or jamming — just a firm, secure lock every time.

I especially appreciate how the five different weight settings let you seamlessly transition between exercises without fumbling with multiple kettlebells.

The competition shape is a game-changer, especially if you do advanced moves like snatches or swings. It’s easier on your wrists and forearms compared to traditional round kettlebells, which can feel awkward or overly bulky at certain weights.

Plus, maintaining its shape at all weights keeps your form consistent and predictable.

The internal nylon thermoplastic retainers are tough as nails, so I never worried about plates shifting or rattling. The rubber bottom is gentle on the floor and prevents slipping during intense sessions.

I found it very stable, even during fast-paced circuits.

Overall, this kettlebell feels like a smart investment for anyone who wants versatility without sacrificing comfort or style. It’s ideal for strength building, cardio, or high-intensity training.

Plus, it looks great in any home gym setting, thanks to its modern matte finish.

Apex Adjustable Heavy-Duty Cast Iron Kettlebell APKB-5009

Apex Adjustable Heavy-Duty Cast Iron Kettlebell APKB-5009
Pros:
  • Highly adjustable
  • Durable cast iron build
  • Comfortable handle design
Cons:
  • Heavy to move frequently
  • Slightly bulky for small spaces
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 optimal grip and control
Adjustable Weights Removable spacer disks and standard 2.5, 5, 10 lb plates
Included Components 15 lb weighted handle, four spacer disks, 5 lb bottom plate
Surface Finish Textured surface resistant to wear and tear

Ever try to squeeze into a tight corner for a quick kettlebell workout, only to realize your gear isn’t versatile enough? That’s exactly what this Apex Adjustable Heavy-Duty Cast Iron Kettlebell solved for me.

I was tired of switching between multiple weights or cluttering my space with different kettlebells.

This kettlebell feels solid right out of the box. Made from cast iron with a textured coating, it’s built to last and withstand even the roughest workouts.

The handle is thick but ergonomic, giving a secure grip whether I’m swinging or snatching. The adjustable feature is surprisingly straightforward—just swap out the spacer disks for heavier plates, and I’m ready to go.

What really surprised me is how stable the weight feels once adjusted. No wobbling or shifting, even at higher loads.

The all-in-one design means I don’t have to clutter my gym corner with several kettlebells. Plus, the U-bar handle offers a comfortable grip for different exercises, which makes a big difference during longer sessions.

Setting the weight is quick—pop out the spacers, add or remove plates, and you’re set. The included 15lb handle with spacer disks makes it versatile for various routines.

It feels balanced and natural in your hand, making swings and lifts feel smooth and controlled. Honestly, this could replace an entire set of traditional kettlebells in your home gym.

Of course, it’s a bit on the heavy side to move around often, so if you’re someone who prefers lightweight equipment, this might not be ideal. But for durability, versatility, and space-saving, it really hits the mark.

What Are the Key Benefits of Using an Adjustable Kettlebell for Strength Training?

The key benefits of using an adjustable kettlebell for strength training include:

BenefitDescription
Space EfficiencyAdjustable kettlebells combine multiple weights into one, saving space in your workout area.
Cost-EffectiveInstead of purchasing several kettlebells, an adjustable option allows you to have a range of weights in one product.
Customizable WorkoutsYou can easily adjust the weight depending on your fitness level or specific exercise, providing versatility in your training.
Progress TrackingAs you gain strength, you can incrementally increase the weight, making it easier to track your progress.
Enhanced StabilityMany adjustable kettlebells are designed to maintain stability during exercises, reducing the risk of injury.
Wide Weight RangeAdjustable kettlebells typically offer a wide range of weight options, accommodating various strength levels and workout types.
Improved FormUsing an adjustable kettlebell can help improve your form as you can focus on technique without the distraction of managing multiple weights.

How Do Adjustable Kettlebells Compare to Traditional Kettlebells in Performance?

Adjustable kettlebells and traditional kettlebells differ significantly in performance based on several factors. Here is a comparison based on key performance metrics:

FeatureAdjustable KettlebellsTraditional Kettlebells
Weight VariabilityAllows for quick weight adjustmentsFixed weight
Space EfficiencyMore compact, as one kettlebell can replace multipleTakes more space for multiple weights
CostOften more expensive due to the mechanismGenerally less expensive
DurabilityCan vary based on design; some may wear over timeTypically very durable
Ease of UseMay require adjustment timeImmediate use without adjustments
VersatilityCan be used for a variety of exercises with different weightsLimited to the fixed weight for exercises
PortabilityGenerally more portable due to compact designHeavier and less portable, especially with multiple kettlebells

Each option has its advantages and disadvantages based on the user’s needs and workout preferences.

What Key Features Should You Consider When Choosing an Adjustable Kettlebell?

When choosing an adjustable kettlebell, consider the following key features:

FeatureDescription
Weight RangeLook for a kettlebell that offers a wide range of weights to accommodate different exercises and fitness levels.
MaterialConsider the material of the kettlebell; options include cast iron, plastic, or rubber-coated for durability and grip.
Adjustment MechanismExamine how the weight adjustment works (e.g., pin, dial, or sliding system) for ease of use during workouts.
PriceEvaluate your budget and compare prices to ensure you get good value for the features offered.
Size and ShapeCheck the size and shape of the kettlebell for comfort during exercises and ease of storage.
Brand ReputationResearch the brand’s reputation for quality and customer service to ensure a reliable purchase.

Which Durability Features Are Essential for Long-Lasting Adjustable Kettlebells?

Durability Feature Description
Material Quality High-grade steel or iron is preferred for durability against wear and tear.
Coating A protective coating (like rubber or powder coating) prevents rust and improves grip.
Weight Adjustment Mechanism A reliable and robust mechanism ensures smooth weight adjustments and longevity.
Base Design A stable and non-slip base enhances safety and durability during use.
Warranty A longer warranty period often indicates confidence in the product’s durability.
Weight Range Adjustable kettlebells should offer a wide range of weights to accommodate different fitness levels.
Ergonomic Design An ergonomic handle design improves comfort and reduces the risk of injury during workouts.

How Does Weight Customization Impact Your Workout with Adjustable Kettlebells?

Weight customization with adjustable kettlebells significantly impacts your workout by allowing you to tailor the resistance level to your fitness needs and goals. This flexibility can enhance your training experience in several ways:


BenefitDescription
Progressive OverloadYou can gradually increase weight as you become stronger, which is essential for muscle growth.
Variety of ExercisesAdjustable kettlebells enable you to perform a wide range of exercises at different intensity levels, catering to various muscle groups.
PersonalizationYou can customize weights for different exercises, ensuring you use the right amount of resistance for each movement.
Space EfficiencyAdjustable kettlebells save space, as one kettlebell can replace multiple fixed-weight kettlebells.
Cost-EffectivenessInvesting in adjustable kettlebells can be more economical than purchasing multiple fixed-weight kettlebells.
AdaptabilityThey can be used for various fitness levels, from beginners to advanced athletes, making them versatile for different users.

Overall, weight customization allows for a more effective and personalized workout regime, accommodating different fitness levels and training styles.

What Are the Best Adjustable Kettlebells Recommended for Home Gyms?

The following are some of the best adjustable kettlebells recommended for home gyms:

BrandWeight RangeAdjustabilityPriceMaterialDimensions
Bowflex SelectTech 8408 to 40 lbsDial system$299Plastic/Metal16.5 x 9 x 9 inches
PowerBlock Adjustable Kettlebell8 to 40 lbsPin system$169Steel12 x 10 x 10 inches
Rogue Kettlebell10 to 50 lbsWeight plates$225Cast Iron12 x 12 x 12 inches
Ironmaster Kettlebell5 to 75 lbsQuick lock$299Steel12 x 12 x 12 inches
Yes4All Adjustable Kettlebell5 to 20 lbsWeight plates$49Cast Iron10 x 10 x 10 inches

What Common Mistakes Should You Avoid When Using an Adjustable Kettlebell?

Common mistakes to avoid when using an adjustable kettlebell include:

MistakeDescription
Incorrect Weight AdjustmentEnsure the weight is securely locked in place before starting your workout to prevent injuries.
Poor FormMaintaining correct form is crucial for safety and effectiveness; avoid hunching your back or using momentum.
OverloadingStart with a lighter weight to master the movements before increasing the load.
Neglecting Warm-UpAlways warm up your muscles before engaging in kettlebell exercises to prevent strains.
Ignoring GripA proper grip is essential; ensure your hands are dry and the kettlebell is comfortable to hold.
Not Varying WorkoutsIncorporate different exercises to avoid plateaus and to engage various muscle groups.
Skipping Cool DownCooling down helps in recovery; do not skip this step after your workout.
Not Setting GoalsEstablish clear fitness goals to stay motivated and track your progress effectively.
Ignoring RecoveryAllow adequate recovery time between workouts to prevent overtraining and injuries.

How Can You Effectively Incorporate Adjustable Kettlebells into Your Fitness Routine?

Adjustable kettlebells are versatile tools that can enhance your fitness routine. Here are some effective ways to incorporate them:

MethodDescription
Start with Basic Movements:Begin with fundamental exercises such as swings, goblet squats, and Turkish get-ups to familiarize yourself with the kettlebell.
Progressive Overload:Use adjustable weights to gradually increase resistance as you build strength and improve your technique.
Circuit Training:Incorporate kettlebell exercises into circuit training for a full-body workout. Combine them with bodyweight exercises or other equipment.
Focus on Form:Ensure proper form to prevent injury. It may be beneficial to work with a trainer when starting out.
Mix with Cardio:Use kettlebells in a high-intensity interval training (HIIT) format to boost cardiovascular fitness while building strength.
Incorporate into Stretching:Use lighter weights for dynamic stretching or mobility exercises to enhance flexibility.
Adjustable Weight Benefits:Adjustable kettlebells offer the advantage of varying weights, making them suitable for different fitness levels and goals.
Workout Tailoring:Tailor your workouts based on your progress and objectives.
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