Don't let nasty weather and an out-dated trainer take the fun out of riding indoors. The Lemond Revolution allows you to train indoors with the most fluid and realistic simulation of the road of any trainer. The secret is the Direct Drive flywheel which carries the same inertia as a bike wheel being pedaled. Stop pedaling and the flywheel continues to coast, so you can get back on top of your gear, right where you left off. The Revolution indoor bike trainer fits all road bikes and is perfect for a mountain or 'cross bike since no rear wheel or smooth tire is necessary. Simply remove the back wheel, attach the rear dropouts to the spindle and go. The stable base allows you to stand up on the pedals and attack with confidence. In addition, save $50 to $100 a year by not having to replace worn out rear tires. Compatible with all Shimano and SRAM 10 speed systems. Campagnolo freehub adaptor available separately. Cassette sold separately.