Head-to-head · Best Adjustable Kettlebells

Bells of Steel Adjustable Kettlebell vs PowerBlock Adjustable Kettlebell

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Bells of Steel Adjustable Kettlebell comes out ahead by a narrow margin (4.5 vs 4.3). The gap is mostly about serious kettlebell trainees and sport-style lifters who need 12-32 kg in one bell with competition-standard handling — read the strengths below before deciding.

Higher ratedRanked #3 in Best Adjustable Kettlebells

Bells of Steel Adjustable Kettlebell

4.5

$210as of May 19

The Bells of Steel Adjustable Kettlebell is the competition-style pick — IKFF-compliant 35 mm handle, steel shell, and 41 weight settings from 12 to 32 kg with 0.5 kg micro-loading. For lifters who are serious about kettlebell sport or who progress past the 40-lb ceiling that most adjustables top out at, this is the bell that scales with you. The trade-offs are price and adjustment speed; everything else is a clear upgrade over the budget tiers.

Strengths

— Full 12-32 kg range (about 26-70 lb) — widest in this round-up
— 0.5 kg micro-loading — 41 possible weight settings
— Steel shell with iron plates — competition feel, no rattling

Watch-outs

— Most expensive pick here at $280
— Heavier than the Bowflex SelectTech 840 or PowerBlock at all weight levels
— Adjustment is slower than the Bowflex SelectTech 840's dial

$210 · Check Price on Amazon Full review →

Ranked #4 in Best Adjustable Kettlebells

PowerBlock Adjustable Kettlebell

4.3

$72as of May 19

The PowerBlock Adjustable Kettlebell is the alternative shape pick. The cowbell-style flat-angle body genuinely makes overhead presses and rack work more comfortable than the round Bowflex SelectTech 840, but it changes how swings feel — purists prefer the round REP Fitness shape. Four weight settings is the smallest count in this round-up; the magnetic pin adjustment is novel and fast once you learn it. Best for users who care more about press/clean comfort than swing dynamics.

Strengths

— Magnetic pin system for fast adjustment — no dial or twist required
— Flat-angle shape rests more comfortably during cleans and overhead presses
— Rugged steel shell — feels durable in hand

Watch-outs

— Four weight settings only — fewer increments than competitors here
— Cowbell shape (not true kettlebell) changes feel for swings — less natural
— Smaller weight range than the REP Fitness or Bells of Steel

$72 · Check Price on Amazon Full review →

How they stack up

Bells of Steel Adjustable Kettlebell

Widest weight range and finest increments of any pick here — beats the REP Fitness on range and the Bowflex SelectTech 840 on ceiling (32 kg vs 18 kg). Loses to the Bowflex SelectTech 840 on adjustment speed. Steel-and-iron build is more durable than the Bowflex SelectTech 840's plastic but heavier to handle than the Yes4All.

PowerBlock Adjustable Kettlebell

Unique cowbell shape in this lineup — REP Fitness, Bowflex SelectTech 840, Bells of Steel, and Yes4All are all traditional round shapes. Magnetic pin adjustment is faster than the REP Fitness twist and the Yes4All disc system, slower than the Bowflex SelectTech 840 dial. Smaller weight range than the REP Fitness or Bells of Steel.

Specs side-by-side

Spec	Bells of Steel Adjustable Kettlebell	PowerBlock Adjustable Kettlebell
Weight Range	12-32 kg (about 26-70 lb)	18-35 lb (light) or 35-62 lb (heavy)
Weight Settings	41 (0.5 kg micro-load, with expansion pack)	4 settings per bell (18/22/26/35 lb or 35/44/53/62 lb)
Adjustment	Internal locking system	Magnetic pin
Material	Steel shell, iron plates	Steel shell
Handle	35 mm competition-standard	32 mm competition-standard
Dimensions	8.25 in x 11 in	—
Shape	—	Cowbell-style flat angle

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