Explore our full range of Commercial, Rehab, and Residential treadmills. Whether you’re training for your next marathon or rehabilitating clients, our treadmills will keep moving with you.
NEXT-GENERATION
i-STRENGTH
The Spirit Fitness i-STRENGTH line brings next-generation technology to commercial strength equipment, combining advanced electronic resistance with intelligent software to deliver a training experience unlike anything before it. Four dynamic training modes—Pure, Eccentric, Isokinetic, and Elastic—give users the variety they need to break plateaus and achieve faster results, whether they're rehabilitating, building muscle, or pushing peak performance.
Smart Training Technology
Advanced electronic resistance with intelligent software and four dynamic training modes deliver a smarter, more effective workout that breaks plateaus and drives faster results.
Versatile. Efficient. Inclusive.
Dual-function designs and wide resistance ranges make every machine adaptable to users of all abilities. Seamlessly transition between complementary exercises at a single station—maximizing your floor space.
Built to Last and Perform
Heavy-gauge steel frames and commercial-grade components ensure reliable, long-term performance in any commercial environment. Precision ergonomics keep users comfortable, aligned, and focused on every rep.
i-STRENGTH Biceps/TricepsCSI-BCTE
Four training modes and a 15–190 lb electronic resistance range
i-STRENGTH Chest/Shoulder PressCSI-CPSP
Four training modes and a 33–271 lb electronic resistance range suit users of all abilities
i-STRENGTH Leg Ext/CurlCSI-LELC
18–201 lb electronic resistance range with a padded, adjustable seat
i-STRENGTH Low RowCSI-LROW
13–265 lb electronic resistance range with low handle position encourages proper form