Here is another exercise bike that gives you a solid workout indoors. The Sunny Health & Fitness Evo-Fit Stationary Upright Bike comes with 24 levels of electro-magnetic resistance. It has a 4-way adjustable seat. It also has a built-in cooling fan to keep you comfortable.
You can sync the bike to your favorite music or streaming program through Bluetooth. The bike has a USB port to charge your devices. The Evo-Fit has a performance monitor with 36 programs. You can find out more about it here.