With just the turn of a dial, change your resistance from 4 kg (10 lbs) all the way up to 41 kg (90 lbs) of weight
Just like all Bowflex SelectTech dumbbells, with just the turn of a dial you can automatically change your resistance from 10 lbs. all the way up to 90 lbs. of weight. No more picking up 17 different sets of dumbbells to give you the results you want!