A mechanism mounted on a stationary exercise bicycle including a frame, a rear seat, a front drive mechanism having a pedal at either side, and a numeric display is disclosed. In one embodiment, the mechanism includes a mounting assembly fixedly mounted at one side of the frame and including upper and lower mounting lugs; and an arm including an upper section secured to the display and a lower section having a distal end releasably secured to the upper section and a proximal end pivotably fastened between the mounting lugs. The display is adapted to dispose in a first position in front of the seat, in a second position at one side of the frame or in a position between the first position and the second position by pivoting about the mounting assembly.