Here is another bike roller system that gives you a fun workout indoors. The Kreitler Alloy Roller System is designed to give you a smooth ride. It can be adjusted without tools to fit wheelbases from 31.5″ to 48″.
This kit comes with a Killer Headwind fan that adds resistance. It also offers a cooling breeze for a more comfortable workout. This fan can be attached to front left side of the frame.