Best Adjustable Kettlebell 2026: 5 Rack-Replacing Picks
WriterPickly Editorial
Updated 2026-10-11
A good adjustable kettlebell solves a real problem: the standard set of fixed kettlebells takes up significant floor space and costs several hundred dollars. The adjustable versions promise to replace 6–8 bells in a single unit — and the best ones actually deliver. The failure mode for cheap adjustable kettlebells is a handle diameter too thick for clean swings, or weight changes slow enough to kill supersets. These five avoid those problems.
Quick answer
The best adjustable kettlebell for most home gyms is the Bowflex SelectTech 840: a handle dial selects 8 to 40 lb in seconds, replacing a rack of fixed bells without assembly time between sets. In a small apartment, PowerBlock's square frame stores flat and won't roll away, and REP's adjustable bell keeps a competition-style shape that stays the same size at every weight.
📋How we compared
This comparison is desk research. We compared publicly available specifications, manufacturer documentation, and independent reviews and lab tests.
Best Overall: The SelectTech 840 is the most refined adjustable kettlebell design available. A dial on the handle selects your weight in seconds — 8, 12, 20, 25, 35, or 40 lb (3.5, 5.5, 9, 11, 16, or 18 kg) — with a satisfying click.
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Which one is right for you?
Related articles
1★ Best PickA+Best OverallBowflex SelectTech 840 Kettlebell
The SelectTech 840 is the most refined adjustable kettlebell design available. A dial on the handle selects your weight in seconds — 8, 12, 20, 25, 35, or 40 lb (3.5, 5.5, 9, 11, 16, or 18 kg) — with a satisfying click. The handle diameter is close to a standard fixed bell, which matters when you're doing 100-rep swings or Turkish get-ups. The weight increments are well-chosen for beginners and intermediate lifters. The plastic housing is the expected tradeoff, but it holds up well under normal use.
Pros
- ✓Dial-select changes weight in seconds
- ✓6 settings from 3.5 to 18 kg (8–40 lb)
- ✓Replaces multiple kettlebells in one footprint
Cons
- ✗Square shape alters swing mechanics slightly
- ✗Higher upfront cost than fixed bells
Specifications
- Adjustable range
- 8–40 lb (3.5–18 kg)
- Weight increments
- 8, 12, 20, 25, 35, 40 lb (6 settings, dial)
- Dimensions
- 22.4 × 17.8 × 31.8 cm (8.8 × 7 × 12.5 in)
- Warranty
- 2 years
- Adjustable range
- 8–40 lb (3.5–18 kg)
- Weight increments
- 8, 12, 20, 25, 35, 40 lb (6 settings, dial)
- Dimensions
- 22.4 × 17.8 × 31.8 cm (8.8 × 7 × 12.5 in)
- Warranty
- 2 years
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2ABest for Space EfficiencyPowerBlock Pro Adjustable Kettlebell
PowerBlock's block-style design is polarizing: the square, perforated frame doesn't look like a traditional kettlebell, and swings feel slightly different because the weight distribution is centered differently. But if space efficiency is the priority, it wins — the square base doesn't roll, stores flat, and the adjustment mechanism is fast. The light model adjusts from 18 to 35 lb (8, 10, 12, 16 kg); a 35–62 lb heavy model also exists. Used heavily in commercial gym settings for group fitness.
Pros
- ✓Smallest footprint per kilogram of any adjustable
- ✓Fast weight adjustment mechanism
- ✓Compatible with PowerBlock dumbbell ecosystem
Cons
- ✗Square frame is far from traditional kettlebell shape
- ✗Handle feel differs from cast iron
Specifications
- Adjustable range
- 18–35 lb (Light) or 35–62 lb (Heavy)
- Weight increments
- 18, 22, 26, 35 lb (Light); 35, 44, 53, 62 lb (Heavy); magnetic pin
- Handle diameter
- 32 mm
- Material
- Steel plates in steel shell
- Dimensions
- 8 × 5.5 × 10 in (Light); 8 × 5.5 × 11.25 in (Heavy)
- Warranty
- 5 years
- Adjustable range
- 18–35 lb (Light) or 35–62 lb (Heavy)
- Weight increments
- 18, 22, 26, 35 lb (Light); 35, 44, 53, 62 lb (Heavy); magnetic pin
- Handle diameter
- 32 mm
- Material
- Steel plates in steel shell
- Dimensions
- 8 × 5.5 × 10 in (Light); 8 × 5.5 × 11.25 in (Heavy)
- Warranty
- 5 years
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3ABest Traditional FeelREP Fitness Adjustable Kettlebell
REP's adjustable kettlebell has a competition-style shape that stays the same size across weights. That shape, the standard handle width, and the weight-at-the-bottom design mean swings, cleans, and snatches feel natural. Weight changes use a push-down-and-twist action, with internal nylon fasteners locking each setting — slower than a dial but more mechanically reliable. Goes up to a maximum of 24 kg (8–16 kg and 16–24 kg models in 2 kg steps, plus a 20–40 lb model), which makes it useful well into advanced programming.
Pros
- ✓Competition-style shape, same size at every weight
- ✓Matte powder-coated handle
- ✓Good balance for ballistic movements
Cons
- ✗Fewer weight increments than Bowflex
- ✗Larger footprint than block-style designs
Specifications
- Adjustable range
- 8–16 kg / 16–24 kg / 20–40 lb (3 SKUs)
- Weight increments
- 5 settings per SKU (e.g. 20, 25, 30, 35, 40 lb)
- Handle diameter
- 34.6 mm (kg models) / 35 mm (lb model)
- Material
- Powder-coated steel with rubber base
- Adjustable range
- 8–16 kg / 16–24 kg / 20–40 lb (3 SKUs)
- Weight increments
- 5 settings per SKU (e.g. 20, 25, 30, 35, 40 lb)
- Handle diameter
- 34.6 mm (kg models) / 35 mm (lb model)
- Material
- Powder-coated steel with rubber base
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4B+Best Budget OptionApex Adjustable Kettle Ball
The Apex is plate-loaded — it uses standard 2.5, 5, and 10 lb plates (sold separately) that you likely already own, which keeps the cost low if you have a barbell setup. The handle is solid, the locking mechanism is reliable, and at 9–23 kg it covers the range most people actually use. The tradeoff is weight changes take longer (unscrew, swap plates, rescrew), making it impractical for quick circuit training. Strong value for steady-state programming.
Pros
- ✓Uses standard plates you may already own
- ✓Lowest cost of any adjustable option
- ✓Max 50 lb (23 kg) total
Cons
- ✗Plate-loading takes 2–3 minutes to change
- ✗Balance differs from fixed kettlebells
Specifications
- Adjustable range
- 20–50 lb
- Weight increments
- Uses standard 2.5/5/10 lb plates (sold separately); ships with 15 lb handle, 5 lb base, 4 spacer disks
- Material
- Powder-coated cast iron
- Dimensions
- 9 × 6 × 10 in
- Warranty
- 2 years (limited)
- Adjustable range
- 20–50 lb
- Weight increments
- Uses standard 2.5/5/10 lb plates (sold separately); ships with 15 lb handle, 5 lb base, 4 spacer disks
- Material
- Powder-coated cast iron
- Dimensions
- 9 × 6 × 10 in
- Warranty
- 2 years (limited)
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5B+Best Travel OptionKettle Gryp Adjustable Kettlebell
Kettle Gryp isn't a kettlebell at all — it's a clamp that converts any dumbbell into a kettlebell grip. At under $40 and 0.5 kg, it's the travel solution for people who work out in hotel gyms or have a dumbbell set they don't want to duplicate. The grip works on dumbbells from 7 to 25 kg. The leverage point feels slightly different from a true kettlebell, but for swings and goblet squats it functions well enough.
Pros
- ✓Converts any dumbbell — under $40
- ✓Fits in a gym bag or suitcase
- ✓Works with hotel gym equipment
Cons
- ✗Requires access to a dumbbell
- ✗Balance differs from a real kettlebell
Specifications
- Adjustable range
- Accepts dumbbells up to 55 lb
- Handle diameter
- 1.15 in (grip thickness); fits handles under 1.5 in
- Material
- Impact-resistant ABS plastic, molded urethane foam, stainless steel hardware
- Dimensions
- Handle grip 8.13 in long; clamp 4.5 in long × 1.5 in dia.
- Adjustable range
- Accepts dumbbells up to 55 lb
- Handle diameter
- 1.15 in (grip thickness); fits handles under 1.5 in
- Material
- Impact-resistant ABS plastic, molded urethane foam, stainless steel hardware
- Dimensions
- Handle grip 8.13 in long; clamp 4.5 in long × 1.5 in dia.
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Side-by-side on the same scale
| Product | Material | |||||
|---|---|---|---|---|---|---|
| Bowflex SelectTech 840 Kettlebell | 8–40 lb (3.5–18 kg) | 8, 12, 20, 25, 35, 40 lb (6 settings, dial) | 22.4 × 17.8 × 31.8 cm (8.8 × 7 × 12.5 in) | 2 years | — | — |
| PowerBlock Pro Adjustable Kettlebell | 18–35 lb (Light) or 35–62 lb (Heavy) | 18, 22, 26, 35 lb (Light); 35, 44, 53, 62 lb (Heavy); magnetic pin | 8 × 5.5 × 10 in (Light); 8 × 5.5 × 11.25 in (Heavy) | 5 years | 32 mm | Steel plates in steel shell |
| REP Fitness Adjustable Kettlebell | 8–16 kg / 16–24 kg / 20–40 lb (3 SKUs) | 5 settings per SKU (e.g. 20, 25, 30, 35, 40 lb) | — | — | 34.6 mm (kg models) / 35 mm (lb model) | Powder-coated steel with rubber base |
| Apex Adjustable Kettle Ball | 20–50 lb | Uses standard 2.5/5/10 lb plates (sold separately); ships with 15 lb handle, 5 lb base, 4 spacer disks | 9 × 6 × 10 in | 2 years (limited) | — | Powder-coated cast iron |
| Kettle Gryp Adjustable Kettlebell | Accepts dumbbells up to 55 lb | — | Handle grip 8.13 in long; clamp 4.5 in long × 1.5 in dia. | — | 1.15 in (grip thickness); fits handles under 1.5 in | Impact-resistant ABS plastic, molded urethane foam, stainless steel hardware |
How to read this table: values come from each maker's official product pages and spec sheets (a few from major retailers' copies of the same label), checked in October 2026. “—” means the value could not be confirmed from those sources. Pickly did not test these products.
Table checked 2026-10-11
Adjustable Kettlebell Buying Guide: Weight Range, Handle, and Mechanism
Three questions determine which adjustable kettlebell fits your training: what weight range do you need, how quickly do you change weights, and do you prefer a traditional bell feel or are you open to new form factors?
Weight Range
Beginners typically need 4–11 kg for swings, Turkish get-ups, and goblet squats. Intermediate lifters need 11–22 kg. Advanced lifters doing heavy single-arm swings or cleans need 22–32 kg. Most adjustable kettlebells top out at 18–22 kg, which limits usefulness for strong athletes.
Adjustment Mechanism
Dial-select (Bowflex) is fastest for between-set changes. Plate-loaded (Apex) is slowest but cheapest if you already own plates. Segment-style (REP) is medium speed with good mechanical reliability. For circuit training where you change weights every set, prioritize a fast mechanism.
Handle Diameter
Standard fixed kettlebell handles are 33–35mm in diameter. Wider handles cause grip fatigue during high-rep swings. Check the handle diameter specification before buying — some adjustable designs use 40mm+ handles which feel noticeably different in the hand.
Shape
Traditional round bells allow ballistic movements (swings, snatches, cleans) to flow naturally because the weight hangs in the correct position. Square-frame designs like PowerBlock work for loaded carries and goblet squats but change the dynamics of ballistic lifts slightly.
Durability
Dial-select mechanisms have more moving parts than plate-loaded designs. If you're doing hundreds of reps per day, a plate-loaded or segment design will outlast a dial mechanism. For moderate home gym use (3–5 sessions per week), dial-select mechanisms hold up fine.
Bottom line
The Bowflex SelectTech 840 handles 90% of home gym scenarios — fast dial adjustment, good handle feel, and a weight range that covers beginner through intermediate. REP Fitness is the pick for serious lifters who want the traditional bell experience and need heavier weights. The Apex is the right answer if you already own weight plates and want the cheapest possible entry point.
Frequently asked questions
Are adjustable kettlebells worth it?▼
What weight adjustable kettlebell should I start with?▼
Can you do kettlebell swings with an adjustable kettlebell?▼
How heavy should my kettlebell be?▼
What's the difference between adjustable and competition kettlebells?▼
Check the details of the products in this article
- Bowflex SelectTech 840 Kettlebell$150.00Reference price
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- PowerBlock Pro Adjustable Kettlebell$199.00Reference price
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- REP Fitness Adjustable Kettlebell$159.99Reference price
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- Apex Adjustable Kettle Ball$59.99Reference price
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- Kettle Gryp Adjustable Kettlebell$34.95Reference price
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Prices change. Check the retailer for the current price.
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