Indoor bike trainers help build your cycling skills year-round. CycleOps WIND, MAG+ with Remote Adjuster, the super quiet FLUID2, or the 9500 PVC Rollers for intermeditate to advanced cyclists, all deliver an awesome cardiovascular workout. Watch BikemanforU videos as he reviews each one and shows you how to set up and use your new fitness equipment. Works with most if not all bicycles, including bolt-on axles. Easy fold-up for storage. FREE SHIPPING in the U.S. 48. The power is in you. Unleash it.