ProGear 100S Exercise Bike/Indoor Training Cycle Up to 250 lbs user weight capacity. Chain Driven to simulate road bike exercise Heart Pulse sensors will enable you to stay within your personal heart rate zone. LCD computer with readouts of calories burned, distance, time, speed, pulse and scan 4 way seat adjustment. The cushioned ergonomic seat will adjust forward/backward and up/down Easy Dial tension adjustment for a more progressive and challenging workout. Top down emergency brake Cast iron inertia Driven flywheel with a chrome rim weighs 22 lbs and is smooth and consistent when pedaling