This could be inconvenient for those who like to use 5-pound dumbbells for warm-ups or upper-body mobility routines that require ultra-low weight for safety (such as external shoulder rotations).

These adjustable dumbbells run from 5 lbs up to 52.2 lbs, making them ideal for beginners and experienced lifters. As we found during our BowFlex SelectTech 552i review, it was easy to change the ...