Cycleops supermagneto pro turbo trainer winter training kit combines versatility with an authentic road like feel between seasons use the supermagneto pro to get in great shape and stay that way it offers the most versatility of cycleops trainers you can adjust the resistance curves to fit a conditioned rider or a less physically fit rider or modify the curves to fit a big or small rider and if you plan to share a trainer with another rider the supermagneto pro is the right choice