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Deal.ai › Compare

Lifeline Kettlebell 44 kg vs Bowflex SelectTech 840 Kettlebell

Buy the Lifeline Kettlebell if you want one heavy, fixed 97 lb bell for presses, rows and swings and don't need lighter weights. Buy the Bowflex SelectTech 840 if you want a single adjustable bell covering 8 to 40 lbs in a small home gym. The Lifeline is a fixed 44 kg cast-iron bell; the Bowflex replaces six bells with a dial. No current prices were provided for either product, so compare store prices on Deal.ai before deciding.

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Lifeline
Lifeline Kettlebell

Lifeline Kettlebell 44 kg

Lifeline Kettlebell

5(37 ratings)
See all prices and details

Choose the Lifeline Kettlebell if you train heavy and want a durable single-piece cast iron bell with a wide, smooth handle and a flat base.

Pros
  • Single-piece cast iron resists wear and won't loosen over time
  • Wide, smooth 1.57 in handle suits two-hand swings and heavy presses
  • Flat wobble-free base stays put on the floor
  • Marked in both kg and lb
  • Rated 5 out of 5 from 37 ratings
Cons
  • Fixed 44 kg (97 lb) is too heavy for most beginners
  • No lighter weights in the same bell
  • Large diameter handle may be hard to grip for smaller hands
  • Bright yellow finish shows scuffs
Bowflex
Bowflex SelectTech 840

Bowflex SelectTech 840 Kettlebell

Bowflex SelectTech 840

See all prices and details

Choose the Bowflex SelectTech 840 if you need many weights in one compact bell and lift in the 8 to 40 lb range.

Pros
  • Replaces six bells from 8 to 40 lbs in one unit
  • Dial changes weight in 8 lb steps
  • Compact for a home gym with limited space
  • Rubber grip is comfortable for high reps
Cons
  • Composite body is less durable than cast iron
  • 40 lb top weight limits heavy pressing and swings
  • Moving dial parts can wear or jam with drops
  • 12.5 in height and 7 in width make it bulkier than a fixed bell

What separates them

Lifeline Kettlebell 44 kgBowflex SelectTech 840 Kettlebell
Weight rangeFixed 44 kg (97 lb)Adjustable 8 to 40 lbs
Weight increments8 kg steps across the line8 lb steps (8, 12, 20, 25, 35, 40 lbs)
Material and buildVirgin iron ore, single-piece castingComposite with a weight-selection dial
HandleWide, thick, smooth, 1.57 in diameter28 mm rubber grip
Footprint8 in long, 4.8 in high8.8 in long, 12.5 in high, 7 in wide
FinishBright yellow powder coatBlack composite
Base stabilityFlat, wobble-free baseFlat base, but a moving dial mechanism
Best useHeavy strength work, swings, presses, rowsHome gym strength training at lighter loads

Price history

  • Lifeline Kettlebell 44 kg: lowest $91.69 on Nov 5 at Escalade Sports.
  • Bowflex SelectTech 840 Kettlebell: lowest $130.00 on Nov 5 at eBay.

Prices at every store

Lifeline Kettlebell 44 kg

  • Academy Sports + OutdoorsCheck price at Academy Sports + Outdoors
  • DICK'S Sporting GoodsCheck price at DICK'S Sporting Goods
  • eBayCheck price at eBay

Store links may earn us a commission.

Prices and history →

Bowflex SelectTech 840 Kettlebell

  • AmazonCheck price at Amazon
  • BowFlexCheck price at BowFlex
  • DICK'S Sporting GoodsCheck price at DICK'S Sporting Goods
Prices and history →

Specs compared

SpecLifeline Kettlebell 44 kgBowflex SelectTech 840 Kettlebell
MaterialVirgin iron oreComposite
Individual Weight44 kg/97 lb8 to 40 lbs
Total Weight97 lb8 lbs to 40 lbs
TypeKettlebellKettlebell
Weight Increments8 kg8 lbs
Included AccessoriesKettlebellKettlebell
Build TypeKettlebellsKettlebells
Grip DiameterLarger diameter handles28 mm
Length8 inches22.4 cm, 8.8 in
Height4.8 inches12.5 in, 31.8 cm
Width1.46 inches17.8 cm, 7 in
Grip TypeSmoothRubber
Show all 24 specsShow fewer specs
SpecLifeline Kettlebell 44 kgBowflex SelectTech 840 Kettlebell
ColorBright yellowBlack
ErgonomicsWide handles, Larger diameter handlesErgonomic
MarkingsMarked in both KGs and LBsWeight increment (8, 12, 20, 25, 35, and 40 lbs)
Build FinishPowder-coat finish—
Build ConstructionCast in one solid piece, Single-piece casting—
Diameter1.57" (handle)—
CoatingPowder coating—
ShapeClassic design—
Safety HighlightsFlat wobble-free base—

What reviewers say

Lifeline Kettlebell 44 kg

  • 5 / 537 ratings

Rated 5 out of 5 from 37 ratings. Owners describe a solid, well-balanced bell with a stable base and a comfortable wide handle.

Pros
  • Solid one-piece casting
  • Stable flat base
  • Comfortable wide handle
  • Clear kg and lb markings
Cons
  • Heavy for new users
  • Handle too thick for smaller hands

Bowflex SelectTech 840 Kettlebell

Owners generally like the SelectTech 840 as a space-saving starter bell and praise how fast the dial switches loads. The common complaints are the 40-lb maximum and the wide, boxy body, which some find awkward for swings and cleans.

Pros
  • Quick weight changes between sets
  • Saves space versus a rack of kettlebells
  • Solid build for home use
  • Useful range for beginners
Cons
  • Tops out at 40 lbs
  • Chunkier than a fixed bell
  • 8-lb steps limit fine progression
  • Not built to be dropped

Questions and answers

Which is better for heavy swings and presses?
The Lifeline. Its fixed 97 lb cast iron body and wide smooth handle handle heavy swings and presses that the 40 lb Bowflex cannot match.
Which is better for a small home gym?
The Bowflex SelectTech 840. One dial-adjustable bell covers 8 to 40 lbs, replacing six fixed bells in a small space.
Which lasts longer?
The Lifeline. A single-piece cast iron bell with a powder coat has no moving parts, while the Bowflex relies on a composite shell and a weight-selection dial.
Is the Bowflex worth it over a set of fixed bells?
If space and cost of six separate bells matter, yes. If you lift heavy or drop weights, a fixed cast iron bell like the Lifeline is the safer long-term buy.
Can beginners use the Lifeline?
Not easily. At 44 kg (97 lb) it is far too heavy for most beginners; the Bowflex's 8 to 40 lb range suits starting loads better.
Do both have a flat base?
Yes. The Lifeline has a flat wobble-free base, and the Bowflex sits flat too, though its dial mechanism is a wear point the Lifeline lacks.

More comparisons

  • Bowflex SelectTech 840 vs Troy VTX Cast Iron Kettlebell
  • Bowflex SelectTech 840 Kettlebell vs Lifeline Kettlebell
Design Highlights
—
Weight selection dial
Typical Users—Home Gym Users
Available weights—8, 12, 20, 25, 35, and