Pedal those pounds away with the Proform Fitness GR75 Upright Exercise Bike from ProForm. The Proform Fitness GR75 Upright Exercise Bikes SMR Silent Magnetic Resistance allows you to adjust your workout intensity without interrupting your workout. Four personal trainer programs let you get the most out of your workout. The Target Pacer and RPM Meter let you know when you need to pick up the pace or slow down for an effective workout. A CoolAire fan keeps you comfortable, and Step Thru design allows easy access to your calorie-burning workout.