Swing into action with the Bowflex select tech 840 kettlebell, the adjustable kettlebell that provides 6 different weights in one compact design. Save space by selecting the weight you want with the turn of a dial, allowing you to achieve total-body results from the comfort of your home. Keep working out with JRNY wherever you go from your phone or tablet; try the Mobile-Only Membership free for 2 months. On-demand, full-body strength classes are now available on the journey app. With the 840 kettlebells, you'll combine cardio and strength in one quick, effective workout, helping you build muscle, burn fat, and boost confidence.