Optical device (cardio cycle) for sale The device is working fine and everything is good But there is a slight crack that is not worth mentioning on the hand grip The screen is not working and the speed control knob needs to be tightened, I think, or it's missing a screw because it spins a little when you move it If you wrap it with tape or something, it will be fine and it works without tape, but just to secure it for you when you increase and decrease the speed