The Performance Series Ellipticals are built on a commercial platform. Each piece combines the durability and performance expected from TRUE with a compact design to maximize space proves to be a best fit for any home fitness program. The TRUE patented Core Drive^TM system provides the most natural movement while keeping the user centered for superior balance, stability and comfort. TRUE's Performance Series ellipticals also feature our side step system for safe entry and exit of the machine and optional upper body isolation for a wider workout variety.