Question 1

Which is better, Bowflex SelectTech 840 Adjustable Kettlebell or Kettlebell Kings Adjustable Kettlebell?

Accepted Answer

Based on our testing, the Bowflex SelectTech 840 Adjustable Kettlebell scores higher overall at 9/10. The Bowflex SelectTech 840 Adjustable Kettlebell scored 9/10 and the Kettlebell Kings Adjustable Kettlebell scored 8.6/10 in our Best Kettlebells Adjustable 2026 evaluation.

Question 2

Is the Bowflex SelectTech 840 Adjustable Kettlebell worth it over the Kettlebell Kings Adjustable Kettlebell?

Accepted Answer

The Bowflex SelectTech 840 Adjustable Kettlebell scores 9/10 while the Kettlebell Kings Adjustable Kettlebell scores 8.6/10. The Bowflex SelectTech 840 Adjustable Kettlebell is our "Best Overall" pick in the Best Kettlebells Adjustable 2026 category.

Bowflex SelectTech 840 Adjustable Kettlebell vs Kettlebell Kings Adjustable Kettlebell: Which to Buy?