i-Strength is your intelligent training partner, automatically adjusting resistance to match your workout and helping you train consistently toward your goals.
Log in through the app to automatically record your workouts, track progress, and build your personal Strength Resume with detailed training data.
Cloud-based management allows facility owners to monitor machine status and usage in real time, helping optimize maintenance, safety, and facility operations.
Powered by a smooth, virtually silent servo motor system, i-Strength delivers precise digital resistance for a consistent and refined training experience.
With its sleek curved design and dynamic LED light bar, i-Strength combines intelligent functionality with premium aesthetics. The LED changes with resistance to provide an instant visual indication of training intensity.
Designed to adapt to the user, i-Strength delivers excellent stability and comfort throughout every workout.

| Power | 120V/20A cord/outlet |
| Frame | Heavy gauge steel frame with high-quality electrostatic powder coat finish |
| Feet | Steel with Rubber foot covers |
| Resistance | Electronically adaptive resistance system |
| Minimum/maximum resistance | 4 kg / 58 kg |
| User features | Dual foot bars, padded seat, storage trays (top of weight tower) |
| Display | 25.6 cm (diag.) Touchscreen command centre |
| Training Modes | 4: Pure (standard), Eccentric (emphasis on the return phase), Isokinetic (constant speed) and Elastic (dynamic elastic resistance simulation) |
| Visual Feedback | Intensity-responsive LED lighting integrated into the frame changes in real time according to the user's force output |
| Connectivity | Training data can be synchronized directly with the Spirit Connect App |
| Product (L x W x H) | 160.3 x 184.4 x 200 cm |
| Product weight | 124 kg |
| Max. user weight | 150 kg |
Want to become a reseller or looking to equip a larger gym project like a hotel, personal trainer space or fire station? Fill out the form below and we'll be in touch shortly to assess your needs and provide you with the perfect plan for your project.