Bowflex SelectTech 840 Kettlebell vs JaxJox KettlebellConnect 2.0
Verdict: JaxJox KettlebellConnect 2.0 wins for users wanting app coaching and tracking per multiple fitness reviews on sites like Garage Gym Reviews. Bowflex SelectTech 840 leads in pure value and simplicity with no charging required. The 2 lb range difference is minor but JaxJox app adds measurable workout consistency.
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 | 6 | 8-42 lbs |
| Adjustability | 6 weights via dial | 6 weights via app or buttons |
| Smart Features | None | Bluetooth app tracking and coaching |
| Material | Cast iron with plastic housing | Steel with rubber coating |
Bowflex SelectTech 840 Kettlebell
What works
- Simple mechanical dial system for quick changes
- Wide 8-40 lb range covers most users
- Durable construction with no electronics to fail
What doesn't
- No app integration or tracking
- Heavier base unit at 40 lbs when fully loaded
JaxJox KettlebellConnect 2.0
What works
- App-based tracking and guided workouts
- Slightly wider 8-42 lb range
- Compact form with digital weight selection
What doesn't
- Requires charging and app for full features
- Higher cost due to electronics
Bottom line
Our pick: JaxJox KettlebellConnect 2.0.
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