Bowflex SelectTech 840 vs JaxJox KettlebellConnect 2.0
Verdict: JaxJox KettlebellConnect 2.0 wins for users wanting smart tracking, beating Bowflex on features by 4 points while matching closely on performance. Bowflex SelectTech 840 leads in value and build simplicity with no charging needs. Both deliver solid 8-42 lb ranges but differ sharply in adjustment method.
Winner: JaxJox KettlebellConnect 2.0
Bowflex SelectTech 840: 7.5/10
JaxJox KettlebellConnect 2.0: 8/10
Spec-by-spec comparison
| Bowflex SelectTech 840 | JaxJox KettlebellConnect 2.0 | |
|---|---|---|
| Weight Range | 8-40 lbs | 8-42 lbs |
| Adjustability | Dial system | App-controlled motor |
| Smart Features | None | Bluetooth app tracking |
| Material | Cast iron | — |
Bowflex SelectTech 840
What works
- Simple mechanical dial for quick weight changes
- Durable cast iron construction
- Wide weight range suitable for most users
What doesn't
- No app integration or tracking
- Heavier base unit at 40 lbs max
JaxJox KettlebellConnect 2.0
What works
- Motorized adjustment via smartphone app
- Built-in workout tracking and coaching
- Slightly higher max weight than Bowflex
What doesn't
- Requires charging and app for full function
- More complex setup than manual dials
Bottom line
Our pick: JaxJox KettlebellConnect 2.0.
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