Bowflex SelectTech 552 Adjustable Dumbbells vs Fitrx SmartBell Adjustable Dumbbell

Buy the Bowflex SelectTech 552 if you want fine weight steps and a proven design. Its 2.5 lb increments up to 25 lb suit small jumps for curls, lateral raises and shoulder work, and the metal plates with molded housing have a long track record. The FitRx SmartBell is a single dumbbell with 7.5 lb steps, a safety lock and a storage rack, and its 4.4 out of 5 from 5,400 ratings shows solid owner satisfaction. The Bowflex pair covers more exercises out of the box; the FitRx is the simpler one-dumbbell pick.

• Choose the Bowflex SelectTech 552 if you want a matched pair with 2.5 lb steps for lighter isolation work and a dial that has years of owner feedback behind it.
• Choose the FitRx SmartBell if you want one dumbbell with a one-handed handle twist, a safety lock and a storage rack included.