From the company that revolutionized the indoor cycling industry by introducing magnetic resistance comes the Keiser M3i cycle bike. This is the first group indoor cycle bike built to fit riders of all body shapes and sizes. Additionally, the Keiser M3i is equipped with Bluetooth®, which transmits to receivers for projection onto your smartphone or tablet! With more than 300,000 M Series bikes sold, there’s no more proven bike worldwide. As a result, the Keiser M3i is arguably the best cycle bike on the market today!