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20 Levels. 162 Steps Per Minute. Unlimited Challenge.
- Precision drive system delivers ultra-smooth, reliable stair climbing performance.
- Choice of Apex LED Display or 16” Touchscreen with interactive workout options.
- Ergonomic handrails support multiple climbing positions for comfort and safety.
- Integrated Landmark Challenge Program, HIIT workouts, and smartwatch NFC pairing for engagement.
- User-friendly design with wireless charger, USB port, cooling fan, and dual bottle holders.
StairMaster 8Gx StairMill – Elite Cardio Meets Full-Body Training
The StairMaster 8Gx StairMill is the next evolution in stair climbing—delivering heart-pounding cardio, lower-body strength development, and interactive technology in a single powerhouse machine. Built for commercial gyms and high-end fitness spaces, the 8Gx combines a precision drive system with rugged, sweat-resistant construction for ultra-smooth, reliable performance.
Choose between the Apex LED Display or immersive Apex 16” Touchscreen, both designed to keep workouts engaging, customizable, and connected. From smartwatch pairing via NFC to the iconic Landmark Challenge Program simulating world-famous climbs, the 8Gx pushes users to go further with every step.
User comfort is front and center with ergonomic handrails that support multiple climbing positions, a low 9” step-up height for easy access, and a thoughtful command center featuring a wireless phone charger, USB port, cooling fan, and dual bottle holders.
With 20 resistance levels and a step rate of 24–162 SPM, the StairMaster 8Gx is designed for all fitness levels—from beginners to elite athletes. Compact yet powerful at 58” × 34” × 79”, it supports users up to 400 lbs (181 kg) while maximizing floor space efficiency.
If you’re searching for a commercial stair climber, high-performance stairmill, or a full-body cardio training solution, the StairMaster 8Gx stands above the rest—combining durability, innovation, and unmatched training intensity.
| Display | Choose from LED, or 16in (40.5cm) Touchscreen |
|---|---|
| Step Surface | 10in (25cm) Deep × 22in (56cm) Width |
| Step Height | 8in (20cm) |
| Step Rate | 20 Levels ranging from 24–162 steps per minute |
| Recommended Ceiling Height | 10ft (3.05m) |
| Step-up Height | 9in (23cm) |
| Controls | Integrated speed & elevation controls, stop button, and contact HR grips |
| Contact & Telemetric HR | Yes |
| Wireless Phone Charging | Yes |
| Max User Weight | 400lb (181kg) |
| Drive System | Generator |
| Power Requirements | 12 V / 5 Amp power supply |
| Frame Material | Powder Coated Steel |
| Standard Color | Matte Black (-60 black) |
| Assembled Dimensions | 58 × 34 × 79in (147 × 86 × 200cm) |
| Product Weight | 509.4lb (231.1kg) |
| Shipping Dimensions | 53 × 37.8 × 55.3in (134.7 × 96.1 × 140.5cm) |
| Shipping Weight | 609.4lb (276.4kg) |
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
PRECISION DRIVE SYSTEM & COMMERCIAL-GRADE DURABILITY
The StairMaster 8Gx StairMill is built for relentless performance with its advanced precision drive system, delivering
smooth, consistent step action under the heaviest training loads. Engineered with
rugged, sweat-resistant construction, the 8Gx stands up to continuous commercial use while maintaining peak reliability.
Designed for elite cardio and full-body conditioning, it supports users up to 400 lbs (181 kg) and fits effortlessly into
premium fitness spaces with its compact 58” × 34” × 79” footprint.
IMMERSIVE TRAINING TECHNOLOGY & FULL WORKOUT CONTROL
Choose between the Apex LED Display or the immersive Apex 16” Touchscreen for a connected, customizable training experience.
Stay motivated with Bluetooth and smartwatch pairing via NFC, plus the legendary Landmark Challenge Program that simulates
iconic climbs from around the world. The user-focused command center includes a wireless phone charger, USB port, cooling fan, and
dual water bottle holders—keeping every session powered, comfortable, and fully in control across 20 resistance levels and
24–162 SPM.
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