Includes 1-Year JRNY Membership ($149 value; auto renews when trial ends unless cancelled 48 hours prior to trial end date) On-demand, full-body strength classes now available on the JRNY appEach dumbbell adjust from 5 to 52.5 lb. in 2.5 lb. increments up to 25 lb.Rapidly switch from one exercise to the next with a turn of a dialSay goodbye to 15 sets of dumbbells cluttering your workout spaceDurable molding around the metal plates provides for a smooth lift-off and quieter workoutsWith a wider weight range you can do heavy exercises such as shrugs and lunges, as well as lighter exercises such as curls and raises.