Introducing the B31 Upright Bike Ergometer, a revolutionary fitness equipment designed to elevate your workout experience. As a factory, we are proud to offer this top-of-the-line product that is crafted with precision and expertise. This ergometer combines functionality and comfort, featuring a sturdy frame and adjustable components for a customized fit. With its advanced technology, the B31 provides accurate real-time data on heart rate, calorie burn, distance, and more, ensuring you make the most of every session. Experience a seamless and challenging workout from the convenience of your own home with the B31 Upright Bike Ergometer.