GravoMax Fitness · Commercial Cardio Series
Unleash Full-Body Explosive Power
The Commercial Ski Erg Machine (Model SK550) is rigorously designed for high-performance cardio training, ski-specific conditioning, and relentless full-body endurance work. Unlike basic home equipment, this machine utilizes a highly advanced wind resistance system paired with a responsive turbine blade. Therefore, it delivers a deeply satisfying, rowing-style air resistance feel. With 10 non-polar gear settings instantly available, you can seamlessly adjust your training intensity from a light aerobic warm-up to a brutal, heavy-pulling power session.
Furthermore, the SK550 is built to thrive in demanding environments, making it the ultimate choice for commercial gyms, busy PT studios, and uncompromising premium home setups. Because it features a heavy-duty aluminium alloy body, tear-resistant UHMWPE pull chains, and highly comfortable TPR overmoulding handles, the machine guarantees unwavering stability and long-lasting durability even under the most extreme daily use.
Smart Connectivity & Unmatched Endurance
- Ultra-Precise Tracking: First, the high-precision monitor (error margin less than 1/1000) provides crystal-clear feedback on pace, stroke rate, power output, heart rate, force curve, drive length, and projected finish times.
- Bluetooth Integration: Second, it effortlessly connects via Bluetooth BLE (FTMS protocol) to the POWERFUN software. Thus, you can instantly engage in individual training, dynamic group classes, or thrilling online competitions.
- 200-Hour Battery Life: Finally, say goodbye to messy power cords. The built-in rechargeable lithium battery features convenient Type-C charging and provides an astonishing 200 hours of endurance on a single charge.
Frequently Asked Questions (FAQ)
Does it need to be plugged into the wall constantly?
No, not at all. One of the biggest advantages of the SK550 is its built-in rechargeable lithium battery. Because it provides up to 200 hours of endurance via simple Type-C charging, you can place this machine anywhere in your gym without worrying about finding an electrical outlet.
Is the chain durable enough for commercial use?
Absolutely. The pulling mechanism utilizes UHMWPE (Ultra-High-Molecular-Weight Polyethylene) chain material. Consequently, it offers exceptional resistance to wear, tearing, and fraying, making it perfectly suited for the relentless high-volume pulling of commercial environments.
Can I move the machine easily by myself?
Yes. Despite its heavy-duty 52kg net weight, the machine is thoughtfully designed with front-side moving pulleys. Therefore, you can easily tip the machine forward and smoothly roll it to a new location or place it into its upright storage position to save floor space.
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