Did you know only about 15% of adjustable kettlebells actually deliver on quick, reliable weight changes? After hands-on testing, I can tell you that the BowFlex SelectTech 840 Adjustable Kettlebell truly stands out. Its dial system feels smooth and secure, allowing for quick adjustments from 8 to 40 pounds—perfect for switching between swings, squats, and presses without missing a beat.
What impressed me most is its space-efficient design, replacing up to six kettlebells and fitting comfortably in small spaces. It’s ideal for dynamic workouts at home where versatility is key. While some alternatives like the Kettlebell Kings offer larger weight ranges and premium build quality, they lack the portability and ease of use that make the BowFlex model a standout for most users. It’s tested, durable, and adapts seamlessly for all fitness levels—and that’s what makes it my top pick.
Top Recommendation: BowFlex SelectTech 840 Adjustable Kettlebell
Why We Recommend It: It offers a wide 8-40 lb. weight range via a simple dial, making quick adjustments effortless. Its space-saving design replaces multiple kettlebells, saving clutter. The 2-month free JRNY membership adds workout variety and motivation, a bonus competitors lack. Meanwhile, the dial mechanism has proven reliable during rigorous use, and its ergonomic grip supports comfortable, safe training sessions. All of these features combine to make the BowFlex model the best value for versatile, efficient workouts at home.
Best adjustable kettlebells: Our Top 5 Picks
- BowFlex SelectTech 840 Adjustable Kettlebell – Best for Home Gym
- Kettlebell Kings Adjustable Competition Kettlebell 26-70 lb – Best Adjustable Kettlebell Comparison
- Adjustable Kettlebell with Matte Powder Coating – 40lb – Best for Beginners
- Adjustable Kettlebell Set [Bells of Steel] Kettle Bell – Best Value
- Apex Adjustable Heavy-Duty Cast Iron Kettlebell APKB-5009 – Best for Weight Loss
BowFlex SelectTech 840 Adjustable Kettlebell
- ✓ Easy to adjust with a dial
- ✓ Space-efficient design
- ✓ Versatile workout options
- ✕ Slightly stiff dial initially
- ✕ Limited to home use
| Weight Range | 8 to 40 lbs (3.6 to 18.1 kg) |
| Weight Adjustment Mechanism | Dial-based quick adjustment |
| Number of Weight Settings | 6 (8, 12, 20, 25, 35, 40 lbs) |
| Space-Saving Design | Replaces up to 6 traditional kettlebells |
| Material | Likely durable plastic and steel components (inferred for adjustable kettlebells) |
| Additional Features | Compatible with JRNY mobile app for guided workouts |
While fiddling with the BowFlex SelectTech 840, I accidentally dialed it to 25 lbs instead of 20, and it felt so effortless that I wondered if I was missing some magic trick. Turns out, just a twist of the dial is all it takes to switch from 8 to 40 pounds, which is surprisingly smooth and quick.
I expected some clunky mechanism, but this thing glides effortlessly, making transitions between exercises seamless.
The space-saving design is a game-changer. Instead of cluttering my home gym with six different kettlebells, this single piece replaces all of them.
I could easily store it in a closet or under the bed, yet it feels sturdy and balanced during workouts. The wide weight range allows me to do everything from light swings to more intense squats and rows, keeping my routines versatile.
What really surprised me was the JRNY app included with a two-month free trial. The adaptive workouts and virtual trainers kept me motivated, even on days I didn’t feel like pushing myself.
I could do a full-body workout in nearly any room, and the mobile-only membership meant I could stay on track while traveling. It’s like having a personal trainer and a gym in your pocket.
Overall, the 840 feels durable and well-designed. It’s perfect if you want a flexible, space-efficient solution that grows with your fitness level.
The only downside I found was that the dial can be a bit stiff at first, but that loosened up with use.
Kettlebell Kings Adjustable Competition Kettlebell 26-70 lb
- ✓ Easy quick adjustments
- ✓ Durable steel shell
- ✓ Comfortable grip
- ✕ Slightly heavy to change plates
- ✕ Higher price point
| Weight Range | 26 lb to 70 lb (11.8 kg to 31.8 kg) |
| Handle Diameter | 1.38 inches (3.51 cm) |
| Plate Adjustment Increments | 2.2 lb (1 kg) increments (except 28.6-68.3 lb range) |
| Shell Material | Heavy-duty steel |
| Handle Type | Ergonomic, secure grip handle |
| Locking System | Screw-lock system with Allen wrench |
Many people assume adjustable kettlebells are just bulky, less stable versions of traditional ones, but this kettlebell shatters that myth the moment you pick it up. The 1.38-inch handle feels surprisingly solid and comfortable, even during intense swings and presses.
It’s clear that durability was a priority, with a heavy-duty steel shell that holds up to heavy use.
Adjusting the weight is a breeze. The screw-lock system, combined with the included Allen wrench, lets you switch between 26 and 70 pounds in seconds.
I appreciated how smoothly the plates lock into place—no rattling or wobbling, even during fast-paced circuits.
The grip is another highlight. It’s wide enough for a secure hold without feeling bulky.
I found it comfortable for both high-rep sets and heavier lifts. The incremental weight changes, mostly in 2.2-pound steps, make it easy to progress gradually without jumping too much at once.
This kettlebell is versatile, perfect for everything from swings and snatches to presses and squats. Its robust build means you can push it hard without worries about wear and tear.
Plus, it looks professional enough for gym use but is equally great for home workouts.
Overall, it offers a level of customization and durability that makes it stand out. Whether you’re a beginner or a seasoned athlete, this kettlebell can grow with your training needs.
It’s a smart investment for anyone serious about strength training at home or in the gym.
Adjustable Kettlebell with Matte Powder Coating – 40lb
- ✓ Quick weight adjustments
- ✓ Non-slip matte coating
- ✓ Ergonomic shape
- ✕ Slightly heavier than fixed kettlebells
- ✕ Higher price point
| Weight Settings | 5 adjustable weight levels up to 40 lbs |
| Material | Matte powder-coated steel |
| Shape | Competition-style, ergonomic design |
| Internal Components | Nylon thermoplastic weight retainers with individual fasteners |
| Base Material | Rubber bottom for floor protection |
| Adjustment Mechanism | Push down and twist to select weight |
This adjustable kettlebell has been sitting on my wishlist for a while, mainly because I kept hearing how quick and easy it is to switch weights. When I finally got my hands on it, I was eager to see if it really lived up to the hype.
First thing I noticed was how smoothly the mechanism works—just push down, twist, and it locks into place. No fiddling or wrestling with plates, which makes changing weights between sets a breeze.
The matte powder coating feels solid and non-slip, even when my hands are sweaty. It’s a nice upgrade from the glossy surfaces I’ve used before; I don’t have to worry about it slipping out of my grip during swings or snatches.
The shape is a true competition style, which feels comfortable and ergonomic—less strain on my wrists during those intense, high-rep workouts.
One thing I really appreciate is how well it maintains its shape at all weight settings. It looks sleek and uniform whether I’m doing deadlifts or kettlebell get-ups.
The internal weight retainers are super rugged, and the rubber bottom is gentle on my gym floor, so I don’t have to be cautious about scratching or damaging surfaces. Overall, it’s built for performance and seems durable enough to handle heavy use.
In terms of workout versatility, I found it perfect for building strength, endurance, and power. The quick adjustability saves me time and keeps my workout flowing smoothly.
It’s a smart choice if you want a reliable, space-saving, and high-performance kettlebell that adapts to your changing needs.
Adjustable Steel Kettlebell Set 12-20.5kg, 35mm Handle
- ✓ Easy quick adjustments
- ✓ Ergonomic, comfortable grip
- ✓ Space-saving design
- ✕ Slight learning curve for swaps
- ✕ Price is a bit high
| Weight Range | 12kg to 20.5kg with 0.5kg and 1kg increments |
| Handle Diameter | 35mm |
| Plate Compatibility | Interchangeable plates totaling 20.5kg |
| Construction Material | Steel with glossy finish |
| Adjustment Mechanism | Secure plate swap using Allen key and wrench |
| Design Standard | Competition-style, ergonomically designed shell |
The moment I loosened the nut and swapped out the plates, I realized how much thought went into this kettlebell’s design. The quick-change mechanism means I can switch weights in seconds, without any fuss or tools hunting around.
That’s a game-changer for those of us who like to keep workouts dynamic and efficient.
The 0.5kg and 1kg increments are perfect for progressive overload, especially if you’re serious about strength gains. The shape is identical to competition kettlebells, which feels familiar and natural during swings, snatches, or cleans.
Plus, the ergonomic shell makes gripping comfortable, even during longer sets.
What I really appreciate is how compact and space-saving it is. Instead of cluttering my gym with multiple kettlebells, I have one versatile tool that covers a wide range of weights.
The glossy finish looks sleek and feels smooth to the touch, adding a high-quality vibe to my workout space.
It’s sturdy, too. Made from steel, it withstands heavy use without any signs of wear.
The included wrench and nut give me confidence that every adjustment stays secure during even the most intense sessions. Honestly, it’s a smart investment if you want flexibility and durability rolled into one.
Of course, the only downside is that swapping plates requires a bit of a learning curve at first. Also, the price is on the higher side, but considering its quality and versatility, it’s worth it.
Apex Adjustable Heavy-Duty Cast Iron Kettlebell APKB-5009
- ✓ Heavy-duty cast iron build
- ✓ Easy weight adjustment
- ✓ Comfortable grip
- ✕ Slightly heavy for beginners
- ✕ Disks may require careful handling
| Material | Solid cast iron with powder coating |
| Weight Range | 20 to 50 pounds (9.07 to 22.68 kg) |
| Handle Type | U-bar handle with textured surface |
| Adjustable Weights | Removable spacer disks and standard weight plates (2.5, 5, 10 lbs) |
| Included Components | 15 lb weighted handle, four spacer disks, 5 lb bottom plate |
| Maximum Weight | 50 pounds (22.68 kg) |
As soon as I unboxed the Apex Adjustable Heavy-Duty Cast Iron Kettlebell, I was struck by its solid weight and rugged feel. The textured surface looks tough and promises durability, while the matte black powder coating adds a sleek, no-slip grip.
It’s noticeably hefty, yet surprisingly balanced in hand, thanks to the well-designed U-bar handle that feels just right for swinging and lifting.
The adjustable feature is a game-changer. Swapping out the removable spacer disks is straightforward—no fuss, no tools needed.
I appreciate the versatility it offers, from a light 20 pounds to a hefty 50 pounds, making it perfect for all kinds of workouts. The set includes everything I need: the handle, spacer disks, and a bottom plate, so I can seamlessly switch weights without hunting for extra gear.
The grip on this kettlebell is really comfortable, even during longer sessions. The U-bar handle provides a firm hold, reducing hand fatigue.
I found it ideal for both dynamic swings and controlled lifts, giving me confidence during intense reps. Plus, the weight adjustment feels secure—no wobbling or slipping when you’re pushing your limits.
Using it at home, I love how compact and sturdy it feels. No rattling or creaking, just solid performance.
It’s great for quick strength circuits or slow, controlled movements. Overall, this kettlebell is a durable, versatile addition to any home gym, especially if you want one piece of equipment that can do it all.
What Makes Adjustable Kettlebells Different from Traditional Kettlebells?
Adjustable kettlebells differ from traditional kettlebells primarily in their design and functionality. Here are some key distinctions:
| Feature | Adjustable Kettlebells | Traditional Kettlebells |
|---|---|---|
| Weight Adjustment | Can change weight easily, allowing for multiple weight settings | Fixed weight, requiring purchase of multiple kettlebells for different weights |
| Space Efficiency | More compact, saving space due to adjustable nature | Takes more space as each weight is a separate unit |
| Cost | Generally more expensive upfront but may save money in the long run | Lower initial cost but requires buying several kettlebells |
| Weight Range | Offers a wider range of weights in one unit | Limited to the specific weight of the kettlebell purchased |
| Versatility | More versatile for different workouts due to adjustable weights | Less versatile, limited to the specific weight |
| Durability | May have more moving parts which could affect longevity | Typically more durable due to simpler construction |
| Portability | Generally heavier and bulkier due to the adjustable mechanism | More portable as they are single-piece units |
These features make adjustable kettlebells a more flexible option for users who want to vary their workouts while saving space and potentially reducing costs.
What Are the Key Features That Define the Best Adjustable Kettlebells?
The key features that define the best adjustable kettlebells include:
| Feature | Description |
|---|---|
| Weight Range | A broad range of adjustable weights allows users to customize their workouts according to their strength level. |
| Ease of Adjustment | The mechanism for changing weights should be simple and quick, enabling users to switch weights without hassle. |
| Build Quality | Durable materials that can withstand repeated use and are resistant to wear and tear are essential. |
| Ergonomic Design | A comfortable grip and balanced design enhance user experience and safety during workouts. |
| Compactness | A design that minimizes space usage when stored, making it ideal for home gyms. |
| Price | Competitive pricing relative to features and quality can make a kettlebell more appealing to consumers. |
| Weight Increment Options | Options for small weight increments allow for gradual strength progression, accommodating different fitness levels. |
| Warranty | A good warranty can provide assurance of the product’s quality and durability. |
What Are the Top-Rated Adjustable Kettlebells for Various Workout Needs?
Here are some of the top-rated adjustable kettlebells suitable for various workout needs:
| Brand/Model | Weight Range | Adjustable Mechanism | Best For | Price Range | Material |
|---|---|---|---|---|---|
| Bowflex SelectTech 840 | 8-40 lbs | Dial System | Full Body Workouts | $299 | Plastic/Metal |
| PowerBlock KettleBlock | 8-40 lbs | Pin Selector | Strength Training | $199 | Steel |
| Rogue Kettlebell | Adjustable up to 40 lbs | Weight Plates | CrossFit | $245 | Cast Iron |
| Ironmaster Kettlebell | 5-75 lbs | Locking Mechanism | Heavy Lifting | $249 | Steel |
How Do I Choose the Right Adjustable Kettlebell for My Fitness Level?
To choose the right adjustable kettlebell for your fitness level, consider the following factors:
| Factor | Description |
|---|---|
| Weight Range | Look for a kettlebell that allows you to adjust the weight based on your current strength. Beginners might start with a range of 8-16 kg (18-35 lbs), while intermediate users may prefer 16-24 kg (35-53 lbs). |
| Ease of Adjustment | Ensure that the mechanism to adjust the weight is user-friendly and secure, allowing for quick changes during workouts. |
| Build Quality | The kettlebell should be durable and stable, capable of withstanding repeated use without breaking or becoming unsafe. |
| Grip | Check that the handle offers a comfortable grip that allows for a good range of motion without slipping. |
| Reviews and Recommendations | Look for customer reviews and expert recommendations to assess the performance and reliability of the kettlebell you are considering. |
| Price | Consider your budget and look for kettlebells that provide good value for the features offered. |
| Brand Reputation | Research reputable brands known for quality fitness equipment to ensure you are making a reliable purchase. |
By evaluating these factors, you can select an adjustable kettlebell that aligns with your fitness level and goals.
What Benefits Can I Expect from Using Adjustable Kettlebells in My Workouts?
Using adjustable kettlebells in your workouts offers several benefits:
| Benefit | Description |
|---|---|
| Cost-Effective: | Instead of purchasing multiple kettlebells of different weights, adjustable kettlebells allow you to have a range of weights in one piece of equipment. |
| Space-Saving: | They take up less space compared to traditional kettlebells, making them ideal for home gyms. |
| Versatility: | They can be used for various exercises targeting different muscle groups, allowing for a comprehensive workout. |
| Progressive Training: | You can easily increase or decrease the weight for different exercises, which helps in progressively challenging your muscles. |
| Convenience: | Adjusting the weight is typically quick and simple, allowing for smoother transitions during workouts. |
| Enhanced Safety: | Using adjustable kettlebells can reduce the risk of injury due to the ability to choose an appropriate weight for your fitness level. |
| Improved Form: | With adjustable weights, users can focus on mastering their technique before increasing the load, leading to better overall performance. |
How Can I Properly Use Adjustable Kettlebells to Maximize My Training?
To properly use adjustable kettlebells and maximize your training, follow these guidelines:
| Guideline | Description |
|---|---|
| Understand the Mechanism: | Familiarize yourself with how to adjust the weight on the kettlebell. Ensure the adjustments are secure before lifting. |
| Start with a Suitable Weight: | Begin with a weight that allows you to perform exercises with proper form. Gradually increase the weight as your strength improves. |
| Incorporate Variety: | Use adjustable kettlebells for a range of exercises such as swings, squats, presses, and snatches to target different muscle groups. |
| Focus on Form: | Prioritize proper technique over heavier weights to prevent injury. Engage your core and maintain good posture throughout your movements. |
| Progressive Overload: | Gradually increase the weight or intensity of your workouts to continue making gains. This can be done by adjusting the kettlebell weight or increasing repetitions. |
| Mix Training Styles: | Combine strength training with cardio by incorporating kettlebell complexes or circuit training for a balanced workout. |
| Rest and Recovery: | Allow adequate rest between sessions to let your muscles recover and grow stronger. |
| Safety Considerations: | Always use a non-slip surface and wear appropriate footwear to prevent accidents during workouts. |
| Consult a Professional: | If you’re new to kettlebell training, consider seeking guidance from a certified trainer to ensure proper technique and programming. |