The Kinetic Cyclone Wind is wind resistance at its finest. Dual fan design offers truer, road-like resistance and lasting durability. The only wind resistance trainer that provides coast-down simulation, speed-sensitive resistance and a precisionmachined roller to reduce tire wear. It’s the ideal choice for the casual rider who demands more. The Road Machine Fluid Trainer features Two 2.2 lb flywheels create realistic coast down (coast down takes just 5 seconds) and its dual fans create real-to-the-road resistance. It provides smooth, quiet resistance from 5 to 1000 watts. Fits wheels from 16″ to 29″ diameter (wheels from 16″ to 22″ require optional adapter).