The CTS Club Cardio! After 8 years of real world experience & testing in more than 50 health clubs internationally, TuffStuff's CTS Club Cardio line is finally available for our U.S. customers. If you are looking for an economical commercial cardio option for your Health Club or home, which incorporates the latest design technology and modern styling, the CTS Cardio line is the perfect choice. Designed to complement our commercial strength products the CTS line combines Industrial components, eye-catching ergonomics, and intuitive display features into a comprehensive product lineup worthy of the TuffStuff name. And with many of the exact same features and specifications found on more expensive brands, you could pay more, but why?