The Multisports Fitness Cardio-Cycle 4000 Programmable Upright Exercise Bike is a durable high end home exercise bike that delivers an effective cardio workout. The manual exercise bike tension control has fifteen levels of resistance so you get the exercise that works best for your fitness level. The super smooth poly V belt drive system offers quiet operation so you can watch TV or listen to music while you work out. When the workout is over, the Multisports Fitness Cardio-Cycle 4000 Programmable Upright Exercise Bike features rear transport wheels that allow you to easily place it in storage.