DESC: SpiraFlex Plates - The patented SpiraFlex plates of the Bowflex Revolution home gym enable smooth, consistent resistance through the entire range of motion, a principal ingredient in developing lean, strong muscle. The versatility of these lightweight interlocking plates allows you to quickly and easily adjust resistance weight on the Bowflex Revolution home gym from 10 to 200 lbs (up to 280 lbs with 80 lbs upgrade) for a quiet, gym-quality workout at home. SpiraFlex technology duplicates the benefits of free weights and plate-loaded machines to deliver the smoothest, most versatile at-home workout available. Freedom Arms - The unique variable independent pulleys, or Freedom Arms , adjust 170 with 10 different settings so you can quickly and easily change the direction of resistance and work upper-body muscles from a variety of angle. This versatility enables you to get a complete, gym-quality workout every time, varying your routine as often as desired to accommodate your developing fitness level. Compac...