UK Delivery Included in Every Price

Stairmaster 8GX Series Gauntlet Stairmill

Push performance further with the StairMaster 8Gx StairMill – a commercial-grade climber designed for high-intensity cardio, lower-body strength, and immersive workout experiences. With 20 resistance levels, dual display options, and advanced smartwatch connectivity, it’s a powerhouse for any fitness facility.

Price range: £4,295.00 through £6,350.00

If you need help, contact us on 07713 511195 or sales@justfitequipment.co.uk

Additional information

Display Options

LED Console, Apex 16" HD Touchscreen Display

StairMaster 8Gx StairMill – Intensity, Innovation & Immersion in One Machine

The StairMaster 8Gx StairMill blends performance-driven design with cutting-edge technology, offering a full-body cardio and strength workout in one streamlined unit. Built for commercial gyms and high-end fitness studios, the 8Gx features rugged, sweat-resistant construction and a precision generator drive system for smooth, reliable performance.

Dual Display Options

Choose from:

  • Apex 16” HD Touchscreen for immersive, interactive workouts

  • Apex LED Display for simple, performance-focused tracking

Both provide customisable training modes, entertainment apps, and tap-to-pair NFC connectivity for Apple and Samsung Galaxy watches, allowing users to monitor progress in real-time.


Feature Highlights:

  • Landmark Challenge Programme: Virtually climb iconic sites like the Eiffel Tower or Taj Mahal for an engaging workout

  • Smartwatch Connectivity: NFC tap-to-sync for real-time tracking with Apple and Samsung Galaxy watches

  • Ergonomic Comfort: Handrails support multiple climbing styles with easy-access controls

  • Command Centre: Stay refreshed and connected with a wireless phone charger, USB port, cooling fan, and dual bottle holders

  • Integrated HIIT Workouts & Apps: Includes built-in high-intensity interval training programmes, RunTV and PlutoTV apps


Performance Specs:

  • Step Rate: 20 levels from 24–162 steps per minute

  • Step Height: 8” (20 cm)

  • Step Surface: 10” deep x 22” wide (25 cm x 56 cm)

  • Step-Up Height: 9” (23 cm)

  • Max User Weight: 400 lbs (181 kg)

  • Recommended Ceiling Height: 10 ft (3.05 m)

  • Heart Rate Monitoring: Contact and telemetric (Bluetooth compatible)

  • Drive System: Self-powered generator

  • Power Requirement: 12V / 5 Amp power supply


Dimensions & Build:

  • Assembled Size: 58″ L x 34″ W x 79″ H (147 cm x 86 cm x 200 cm)

  • Product Weight: 509.4 lbs (231.1 kg)

  • Shipping Weight: 609.4 lbs (276.4 kg)

  • Shipping Dimensions: 53″ x 37.8″ x 55.3″ (134.7 cm x 96.1 cm x 140.5 cm)

  • Frame: Powder-coated steel, customisable colour options available (approval required)

  • Standard Colour: Matte Black


The StairMaster 8Gx is more than a stair climber—it’s a complete training platform for cardio, endurance, and strength. Perfect for gyms looking to elevate their equipment offering with a high-performance, feature-rich stairmill built to motivate and challenge users at every level.


Important Delivery Note:

Please note: This unit is delivered fully assembled and is extremely heavy. Professional installation is strongly recommended, as it requires specialist equipment to manoeuvre safely.

Warranty Commercial Only:

Usage Category Frame Warranty Parts Warranty Labor Warranty
Commercial Use 10 years (structural; coatings excluded) 2 years 1 year

Finance & Leasing Now Available

Invest in high-quality commercial gym equipment without the upfront cost. Flexible leasing plans designed for gyms, PT studios, and fitness facilities.