Bowflex SelectTech 840 Kettlebell vs JaxJox KettlebellConnect 2.0
Verdict: The JaxJox KettlebellConnect 2.0 wins for users wanting smart tracking and quick adjustments per app reviews on fitness sites. Bowflex SelectTech 840 provides reliable no-frills performance at lower cost with fewer points of failure. JaxJox leads in features but trails in value and longevity based on owner reports of battery life.
Winner: JaxJox KettlebellConnect 2.0
Bowflex SelectTech 840 Kettlebell: 7.5/10
JaxJox KettlebellConnect 2.0: 8/10
Spec-by-spec comparison
| Bowflex SelectTech 840 Kettlebell | JaxJox KettlebellConnect 2.0 | |
|---|---|---|
| Weight Range | 8-40 lbs | 8-42 lbs |
| Adjustability | Dial system in 4 lb increments | App-controlled motor in 2 lb increments |
| Smart Features | None | Bluetooth app tracking and auto-adjust |
| Material | Cast iron with plastic housing | Steel with rubber coating |
Bowflex SelectTech 840 Kettlebell
What works
- Wide weight range covers most home workouts
- Simple mechanical adjustment without electronics
- Durable construction for repeated drops
What doesn't
- No app integration or tracking
- Heavier base unit at 40 lbs max
JaxJox KettlebellConnect 2.0
What works
- App enables precise 2 lb increments and workout logging
- Motorized adjustment saves time between sets
- Compact design with digital display
What doesn't
- Requires charging and app connectivity
- Higher cost and potential electronic failure points
Bottom line
Our pick: JaxJox KettlebellConnect 2.0.
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