MAGNETIC UPRIGHT BIKE WITH BACKREST.BELT DRIVEN 8 LEVEL MANUAL TENSION CONTROL WITH 3 PCS. CRANK.SHORTENED PEDAL DISTANCE FOR BIKE LIKE EFFICIENT PEDALING.STEP THROUGH FRAME FOR EASY ACCESS.COMPUTER DISPLAY TIME, DISTANCE, SPEED, CALORIE, PULSE WITH SMART PHONE HOLDER.ERGONOMICS DIMENSIONS ENABLE CO..