8 levels of magnetic resistance. Low-profile design fits under or on your desk. Simple tension dial to control at least 1 part of your lifeMulti-function, wireless monitor. Textured pedals with straps. Dimensions: 23.5L x 12W x 11H in.. Assembly required. Don't let that desk job get the better of your health; use the Stamina WIRK Under Desk Exercise Bike to keep your fitness game as strong as your career game. This under desk exercise bike has eight levels of magnetic resistance to match your fitness level and give you the right challenge. The low profile design allows it to slide comfortably under your desk, while you track your progress with the wireless monitor. The monitor displays time, distance, calories burned, and rotations per minute. The textured and strapped pedals keep your feet, or hands, secure. Burn off some of that energy when you have a long day in front of the computer.