Fitness equipment Features (with bicycle exercise + calf joint exercise + fixed stick): 1) a rolled steel frame 2) foot pedals adjust to match your height 3) a fuller range of motion to elicit the abdominal muscles 4) adjustable the gradient to make yourself comfortable 5) unique designed, quickly folds and stores easily 6) materials: steel, pu, nylon 7) accessories: A) 1 x ab lounge unit B) 1 x instruction manual c) 1 x cd 8) functions: A) tighten and tone upper abs, lower abs B) helps transform flabby abs into sensationally sexy swimsuit abs 9) with comfortable seat 10) designed for doing easy sit-up 101x76x11.5cm/pc 16/14kgs