bowflex weights set,adjustable dumbbell 1090,weight adjustable from 10lbs to 90lbs, ... Machine.---------------------The Bowflex SelectTech 1090 Dumbbell adjust from 10 lbs up to 90 lbs in 5 lbs increments (10, 15, 20 ... , 65, 70, 75, 80, 85, and 90 lbs). They replace up to 34 different dumbbells. The Bowflex SelectTech 1090 dumbbells are ...