FitDesk Pro 25mm Handlebar Mounted Bike Desk Transform your current stationary bike or bicycle (used in a trainer) to a comfortable therapeutic FitDesk Take the boring out of your indoor exercise, Ride longer and more often Therapeutic "massage" rollers relieve typing strain to hands and arms Use while playing your favorite video game, surfing your tablet or reading a book Mounts to 25mm tubular handlebars with straight mid section, Highly adjustable design allows for comfortable placement and use