Bowflex 5.1S Adjustable Bench | Stowable Strength Bench – Fitness Specialist TXBowflex 5. 1S Adjustable Weight Bench Space Saving Strength Training The Bowflex 5. 1S Adjustable Weight Bench is a premium, stowable bench engineered for stability, versatility, and compact home gym performance. With six adjustable positions, a heavy duty steel frame, and a fast folding design that reduces its footprint by over 50 percent, this bench supports everything from presses and rows to curls, core work, and incline decline training. Key