Once you have become comfortable with this, you can even upgrade to a new power rod unit. (flexmastergeneral.com)
The Bowflex Revolution is nothing like other Bowflex machines in the market, and the main reason is that unlike other Bowflex machines, which provide resistance through Power Rod Technology, the Revolution employs SpriaFlex resistance plates to create the resistance needed to build muscle. (flexmastergeneral.com)
It comes complete with 210 pounds of power rod resistance and even a rowing station for the cardio that we mentioned. (geekwrapped.com)