Matrix DB50 50 lb. Adjustable Dumbbells Upper Body The Body-Solid GFT100 features a

The Body-Solid GFT100 features a 1:2 stack to resistance ratio allowing for smaller incremental weight adjustments and an amazing range of motion

Belt: The RevMaster Sport uses a smooth Kevlar belt instead of a chain

Multi-Function Handlebars: Switch between moving and stationary handlebars to focus on a total body workout or target lower body muscles

Compatible with most Windows and Android phones

high performance custom fit for all users

Matrix DB50 50 lb. Adjustable Dumbbells Upper Body The Body-Solid GFT100 features aNo matter how you train, our adjustable dumbbells make getting a complete workout smoother than you ever imagined. Simply twist the handle and feel the click to set your weight, and count on precision engineering to keep every rep balanced. An ingenious nesting design means our dumbbells can replace up to 10 traditional pairs to fit your space beautifully. Handle twist quickly adjusts weight in 2 kg 5 lb. increments Nesting design replaces 10