












LITE® INERTIA Full Edition Flywheel Training System
- Description
- Specifications
- Key Features & Benefits
- Disclaimer
Summary
Elite Italian-engineered flywheel system designed for eccentric overload, power development, and advanced performance training. Compact, portable, and precision-built for athletes, coaches, and rehab professionals seeking full kinetic control.
Overview
The LITE® INERTIA Full Edition redefines resistance training through kinetic energy and eccentric loading. Instead of relying on weights, this system generates resistance from a spinning flywheel — the faster you pull, the greater the force returned. Each rep trains both the concentric and eccentric phases for superior strength, power, and control. With its adjustable rope length, variable resistance, and fast setup, the INERTIA platform supports explosive movement patterns, sport-specific drills, and controlled rehabilitation work. Italian-crafted for reliability and performance, it delivers gym-level capability in a compact design suited for home or professional settings.
How It Works
The INERTIA system stores kinetic energy as the flywheel spins during the concentric pull. When released, the wheel reverses direction, forcing your muscles to decelerate against returning energy — creating true eccentric overload. The faster your movement, the greater the resistance on both sides of the motion.
Included Accessories (Full Edition)
- Squat belt (one size)
- Dual handles (28 mm grip)
- Handlebar (28 mm grip)
- Anklet strap
- Inclined push board
- Wall guide for horizontal movement
- Kong duck pulley replacement for wall guide
Why Choose INERTIA
- Compact, transportable system that eliminates bulky weights
- Engineered for precise resistance and long-term durability
- Ideal for athletes, trainers, and rehabilitation programs
- Smooth, consistent energy return for balanced loading
- Max Size (W × D × H): 23″ × 36″ × 13″ (58 × 92 × 33 cm)
- Device Weight: 86 lb (39 kg)
- Flywheel: 11 kg / 12″ diameter
- Max User Weight: 353 lb (160 kg)
- Exercise Surface: 31″ × 19″ × 9″ (79 × 48 × 23 cm)
- Rope Range: 98″ (249 cm)
- Resistance Range (at 0.5 m/s²): 72–1,362 N
Features
- Speed-dependent variable resistance for adaptive intensity
- Eccentric overload through kinetic reversal
- Quick-change resistance system — no flywheel swap required
- Fast rope-length adjustment for custom range of motion
- Optimized platform for vertical and horizontal exercises
- Cylindrical shaft for advanced eccentric loading
- Optional wall guide for open-chain sport drills
- Patented LITE® resistance sleeve for instant adjustments
- Built-in wheels for easy transport
Benefits
- Supports eccentric strength and power development
- Builds control and injury-resistant movement patterns
- Enables fast resistance changes for circuit or interval work
- Expands training versatility across sports and rehab use
- Delivers smooth, low-friction motion with minimal wear
- Fits home, studio, or professional environments
- Replaces heavy weights with precision kinetic control
- Encourages measurable, repeatable performance output
- For athletic and general fitness use only.
- Not a medical device.
- Warm up before high-intensity sessions.
- Check rope and connections before each workout.
- Use slow control during eccentric loading.
- Stop immediately if you feel joint or muscle pain.
- Train on stable, level flooring and follow manufacturer guidelines.

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- Description
- Specifications
- Key Features & Benefits
- Disclaimer
Summary
Elite Italian-engineered flywheel system designed for eccentric overload, power development, and advanced performance training. Compact, portable, and precision-built for athletes, coaches, and rehab professionals seeking full kinetic control.
Overview
The LITE® INERTIA Full Edition redefines resistance training through kinetic energy and eccentric loading. Instead of relying on weights, this system generates resistance from a spinning flywheel — the faster you pull, the greater the force returned. Each rep trains both the concentric and eccentric phases for superior strength, power, and control. With its adjustable rope length, variable resistance, and fast setup, the INERTIA platform supports explosive movement patterns, sport-specific drills, and controlled rehabilitation work. Italian-crafted for reliability and performance, it delivers gym-level capability in a compact design suited for home or professional settings.
How It Works
The INERTIA system stores kinetic energy as the flywheel spins during the concentric pull. When released, the wheel reverses direction, forcing your muscles to decelerate against returning energy — creating true eccentric overload. The faster your movement, the greater the resistance on both sides of the motion.
Included Accessories (Full Edition)
- Squat belt (one size)
- Dual handles (28 mm grip)
- Handlebar (28 mm grip)
- Anklet strap
- Inclined push board
- Wall guide for horizontal movement
- Kong duck pulley replacement for wall guide
Why Choose INERTIA
- Compact, transportable system that eliminates bulky weights
- Engineered for precise resistance and long-term durability
- Ideal for athletes, trainers, and rehabilitation programs
- Smooth, consistent energy return for balanced loading
- Max Size (W × D × H): 23″ × 36″ × 13″ (58 × 92 × 33 cm)
- Device Weight: 86 lb (39 kg)
- Flywheel: 11 kg / 12″ diameter
- Max User Weight: 353 lb (160 kg)
- Exercise Surface: 31″ × 19″ × 9″ (79 × 48 × 23 cm)
- Rope Range: 98″ (249 cm)
- Resistance Range (at 0.5 m/s²): 72–1,362 N
Features
- Speed-dependent variable resistance for adaptive intensity
- Eccentric overload through kinetic reversal
- Quick-change resistance system — no flywheel swap required
- Fast rope-length adjustment for custom range of motion
- Optimized platform for vertical and horizontal exercises
- Cylindrical shaft for advanced eccentric loading
- Optional wall guide for open-chain sport drills
- Patented LITE® resistance sleeve for instant adjustments
- Built-in wheels for easy transport
Benefits
- Supports eccentric strength and power development
- Builds control and injury-resistant movement patterns
- Enables fast resistance changes for circuit or interval work
- Expands training versatility across sports and rehab use
- Delivers smooth, low-friction motion with minimal wear
- Fits home, studio, or professional environments
- Replaces heavy weights with precision kinetic control
- Encourages measurable, repeatable performance output
- For athletic and general fitness use only.
- Not a medical device.
- Warm up before high-intensity sessions.
- Check rope and connections before each workout.
- Use slow control during eccentric loading.
- Stop immediately if you feel joint or muscle pain.
- Train on stable, level flooring and follow manufacturer guidelines.
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"I was hesitant about the space it would take up, but the XMARK's compact design fits perfectly in my garage gym. The variety of exercises I can do is endless - from lat pulldowns to functional movements. Assembly was straightforward with clear instructions." — Lisa M., Portland, OR
I’ve had mine for almost a year and couldn’t be happier. It was nearly double the price when I bought it, and I’d still do it again. The tub gets cold fast, feels great, and I love that I can deflate and store it in winter. Support was quick and friendly when I called. Friends and family love using it too. Highly recommend!
--Max B.--

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