Zen of Weightlifting

SelectTech Dumbbells will change your idea of dumbbells forever. Bowflex has re-invented the dumbbell by condensing 30 separate barbells down to just 2, saving you both space and money. SelectTech Dumbbell's unique weight system lets you adjust each dumbbells from 5 lbs. to 52.5 lbs. quickly, easily and safely. Just rotate the dial to the weight you want. SelectTech tumblers automatically fasten to the weight you want to lift.