CycleOps SuperMagneto Pro Trainer Four resistance settings for every rider type and ride type in one trainer. Easy setting: Warm up before you ride hard. Road setting: Ride all day to build volume and build a sweat. Flexible Power Curve Technology lets you adjust resistance curves, providing the right inertia for the right rider. PowerTuned technology provides smooth realistic accelerations and inertia for real world feel. Easier transport without sacrificing ride feel or inertia, Easy adjustments for ride or rider type. Pro Series frame offers quick installation and removal of bike with ability to lock resistance unit in place for transport and storage. Single-sided Pro Series frame mount permits quick bike install and removal, Includes Realrides Race Day DVD.