Take realism and your workout to a whole new level with the only trainer that delivers natural side-to-side motion. With this unique, lateral motion, core muscles are engaged to maintain balance. So now you can simultaneously workout both technique and power— especially during out-of-the-saddle hill climb intervals. Get on. Give your expectations a workout. * The most realistic indoor ride available anywhere * Forces core muscle use to maintain proper balance while riding * Makes any rider a more powerful and faster cyclist * Measurable and repeatable workloads * Lock-out feature for conventional use * Most stable frame in the industry * Fits any Kinetic resistance unit fluid, mechanical or wind * Clamp and Lock Quick Release with lever lock secures bike easily * Removable legs for easy storage * Custom-made PVC feet * Unconditional lifetime warranty * Lifetime crash replacement policy * Available as frame or with Pro or Road Machine RU