JRNY subscription required* Combine cardio and strength in one effective workout with the Bowflex SelectTech 840 kettlebell. Boasting an adjustable-weight design, it goes from 8 pounds to 40 pounds with the simple turn of a dial and features an ergonomic handle for a comfortable grip. This versatile weight replaces the equivalent of six kettlebells to save space wherever you workout. | Bowflex SelectTech 840 Kettlebell - Free 2-Month JRNY Membership*