Best StairMaster Stair Steppers: 11 Models Compared
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This guide covers the best StairMaster stair steppers, comparing 11 models based strictly on their published specifications. StairMaster offers a range of stepmills and stair steppers, varying from compact units with low profiles to heavy commercial-grade machines with large touchscreens. The StairMaster 4G 10" LCD Stepmill leads the list as the best overall pick for low-ceiling homes needing a compact stepper. We evaluated each model by its dimensions, weight, and display type to help you find the right fit for your space.
Quick picks
Our 11 picks
StairMaster 4G 10" LCD Stepmill
Best for: Low-ceiling homes needing a compact stepper
- Resistance Levels
- 20 resistance levels
- Stride Length
- 14” step-up height
- Display Type
- OpenHub LCD console
- Color
- Black
- Dimensions
- 54 × 29 × 64 inches
- Weight
- 348 pounds
The StairMaster 4G is a compact stepmill designed for smaller spaces, fitting under 8-foot ceilings. It features a 10-inch LCD console and offers 20 resistance levels with speeds up to 162 SPM. The 14-inch step-up height allows for easier access. You will find integrated handrail controls and NFC pairing for Apple and Samsung watches. This unit weighs 348 pounds and includes a USB charging port and cooling fan.
Pros
- 10-inch LCD console with OpenHub entertainment readiness
- 20 resistance levels and up to 162 SPM
- 14-inch step-up height for safer entry
- Compact footprint fits under 8-foot ceilings
Cons
- LCD display lacks the touchscreen interactivity of higher series
- No Bluetooth connectivity for third-party apps
- Heavy 348-pound build requires dedicated floor space
Good fit if
- You need a stepmill that fits under 8-foot ceilings
- You prefer a 10-inch LCD screen over a touchscreen
- You want integrated speed controls on the handrails
Skip if
- You require a touchscreen console for entertainment
- You need Bluetooth connectivity for app integration
- You have limited floor space for a 54-inch length
Verdict: StairMaster 4G 10" LCD Stepmill suits users with low ceilings who want a durable, compact climbing machine. It delivers essential specs without the bulk of larger commercial models.
StairMaster 8 Series FreeClimber LCD
Best for: Users prioritizing pedal stability and data tracking
- Display Type
- LCD Screen
- Connectivity
- Bluetooth
- Form Factor
- FreeClimber
- Dimensions
- 43 × 27 × 68 inches
- Weight
- 274 pounds
The StairMaster 8 Series FreeClimber is a stair climber featuring a 10-inch LCD console and Bluetooth connectivity. It uses an electronically controlled alternator with chain drive for smooth pedal descent. The patented independent pedal geometry with four-bar linkage keeps pedals level during use. This unit measures 27 by 43 by 68 inches and weighs 274 pounds. It suits users seeking a reliable, spec-driven cardio machine with heart rate tracking capabilities.
Pros
- Bluetooth connectivity for workout data tracking
- Patented four-bar linkage keeps pedals level
- Electronically controlled alternator for smooth descent
- USB charging port included
- 10 workout programs available
Cons
- LCD screen lacks touchscreen functionality
- No mobile app integration listed
- Heavy 274-pound build requires floor space
Good fit if
- You want precise pedal geometry
- You need Bluetooth data tracking
- You prefer physical console controls
Skip if
- You require a touchscreen display
- You need app-based workout control
- You have limited floor space
Verdict: StairMaster 8 Series FreeClimber LCD suits users who value biomechanical precision and data tracking over modern touchscreen interfaces. It is a solid choice for those prioritizing pedal stability and electronic control in a home gym setting.
StairMaster 8G Gauntlet Stepmill with LCD
Best for: Users wanting durable stair climbing simulation
- Display Type
- LCD Console
- Connectivity
- Compatible with Polar telemetry
- Form Factor
- Stepmill Stepper
- Color
- Black
- Dimensions
- 58 × 34 × 89 inches
- Weight
- 343 pounds
The StairMaster 8G Gauntlet offers real stair climbing simulation with 8-inch steps. Its LCD console tracks time, heart rate, calories, and floors climbed. You can adjust speed from 26 to 162 steps per minute across 10 workout programs. The machine measures 58 inches long and weighs 343 pounds. It suits users seeking a durable, commercial-grade stepper with straightforward stats tracking.
Pros
- Revolving 8-inch steps mimic real stair climbing
- Speed range of 26 to 162 steps per minute
- 10 built-in workout programs including Fat Burner
- LCD console displays calories, time, and floors climbed
Cons
- Heart rate chest strap is not included
- No touchscreen or smart connectivity features
- Large footprint requires significant floor space
Good fit if
- You want a commercial-grade stepper for heavy use
- You prefer tracking basic metrics like floors and calories
- You have space for a large, heavy machine
Skip if
- You need a touchscreen interface for media
- You want to track heart rate without buying extra gear
- You have limited floor space for a 58-inch machine
Verdict: StairMaster 8G Gauntlet Stepmill with LCD is a heavy-duty stepper for users who prioritize durable construction and straightforward workout tracking over smart features. It fits those with space for a large machine who want a no-nonsense cardio experience.
StairMaster Replacement Stepper Part
Best for: Replacing parts on existing StairMaster steppers
- Dimensions
- 10 × 8 × 4 inches
- Weight
- 10 pounds
This is a replacement component for StairMaster upright stepper models, not a complete exercise machine. It measures 10 inches in length, 8 inches in width, and 4 inches in height. The part weighs 10 pounds. You need this if your existing StairMaster stepper requires a specific part replacement. It is designed to fit specific model numbers like the SM20205 or Nautilus E9.16. It does not function as a standalone fitness device.
Pros
- Compact dimensions of 10 x 8 x 4 inches
- Lightweight at 10 pounds for easy handling
- Compatible with specific StairMaster and Nautilus models
Cons
- Not a complete exercise machine
- Requires existing StairMaster frame to function
- Limited to replacement use only
Good fit if
- You need a replacement part for a StairMaster stepper
- You own a compatible model like SM20205
- You are repairing an existing unit
Skip if
- You want a complete exercise machine
- You are looking for a new stepper
- You do not have an existing frame
Verdict: StairMaster Replacement Stepper Part is a specific component for repairs. It fits users who need to replace a broken part on a compatible StairMaster or Nautilus upright stepper.
StairMaster 8 Series 8Gx Gauntlet X Stepmill
Best for: Durable home commercial-grade stair climbing
- Resistance Levels
- 20 levels
- Display Type
- LCD
- Connectivity
- Bluetooth
- Form Factor
- Stepmill
- Color
- Black
- Dimensions
- 58 × 34 × 80 inches
View on Amazon: StairMaster 8 Series 8Gx Gauntlet X Stepmill
This StairMaster 8Gx is a commercial-grade stair stepper built for heavy use. It features 20 resistance levels and Bluetooth connectivity for data tracking. The console includes integrated handrail controls, a USB port, and personal cooling fans. At 498 pounds and 34 inches wide, it requires significant floor space. It suits users seeking a durable, feature-rich home gym centerpiece.
Pros
- 20 resistance levels for varied intensity
- Bluetooth connectivity for workout tracking
- Integrated speed and stop controls on handrails
- Personal cooling fans and USB charging port
- Landmark Challenge Program for guided workouts
Cons
- Heavy 498-pound build limits placement options
- Large footprint at 34 inches wide
- LCD console lacks touchscreen interface
Good fit if
- You want a durable commercial-grade stepper
- You value integrated handrail controls
- You need Bluetooth data tracking
Skip if
- You have limited floor space
- You prefer a lightweight machine
- You want a touchscreen display
Verdict: StairMaster 8 Series 8Gx Gauntlet X Stepmill fits serious home gym owners who need a heavy, stable stepper with integrated controls and tracking. It is not for small rooms.
StairMaster 4G Compact StepMill
Best for: Low ceiling homes and small fitness rooms
- Resistance Levels
- 20 levels
- Stride Length
- 14 inch step height
- Display Type
- 10-inch touchscreen
- Connectivity
- Apple Watch, Samsung Galaxy Watch NFC
- Included Accessories
- USB charging port, fan, bottle holder
- Form Factor
- Compact
This StairMaster 4G StepMill is a compact stair climber designed for spaces with height restrictions. It features a 10-inch touchscreen console and integrated heart rate sensors in the handrails. The machine offers 20 resistance levels and speeds up to 162 steps per minute. Its 14-inch step height allows for safer entry. It also includes a USB charging port and cooling fan for convenience.
Pros
- Fits under 8-foot ceilings
- 10-inch touchscreen console
- Integrated heart rate sensors
- 20 resistance levels
- Smart watch compatibility
Cons
- Heavier build at 348 pounds
- No mention of Bluetooth connectivity for the console
- No mention of a remote control
Good fit if
- You have low ceilings
- You want integrated heart rate monitoring
- You prefer a touchscreen interface
Skip if
- You need a standard height machine
- You require a remote control
- You want Bluetooth console connectivity
Verdict: StairMaster 4G Compact StepMill fits users with low ceilings who want a touchscreen and integrated sensors. It suits tight spaces where height is a constraint.
StairMaster 10G Gauntlet Stair Stepper
Best for: Home users needing commercial durability
- Display Type
- LCD
- Connectivity
- Bluetooth
- Form Factor
- Stair Climber
- Intended Use
- Home Use
- Color
- Black
- Dimensions
- 63 × 34 × 83 inches
The StairMaster 10G is a commercial-grade stair stepper built for heavy home use. It features a 63-inch length and 34-inch width for stability. The LCD console includes Bluetooth and USB ports for media. You get durable construction designed to withstand intense workouts. This model suits users seeking a robust, professional-grade climber with basic digital connectivity.
Pros
- Commercial-grade durability for heavy usage
- Bluetooth and USB connectivity
- Adjustable resistance and speed settings
- Sturdy 63-inch length and 34-inch width
Cons
- Large footprint requires significant floor space
- LCD display lacks touchscreen functionality
- No mention of integrated heart rate sensors
Good fit if
- You need a durable machine for intense daily workouts
- You want commercial-grade stability in a home setting
- You prefer basic LCD controls over touchscreens
Skip if
- You have limited floor space for a 63-inch machine
- You require a touchscreen display for navigation
- You need integrated heart rate monitoring sensors
Verdict: StairMaster 10G Gauntlet Stair Stepper fits users who prioritize heavy-duty construction and stability over advanced touchscreen interfaces. Its commercial build and basic connectivity make it a solid choice for serious home climbers.
StairMaster SM5 StepMill
Best for: Commercial gyms with high ceilings
- Display Type
- 2 window backlit LCD
- Connectivity
- Polar-compatible heart rate
- Form Factor
- Commercial StepMill
- Color
- Black
- Dimensions
- 58 × 31 × 48 inches
- Weight
- 481 pounds
The StairMaster SM5 StepMill is a commercial-grade stair climber featuring a revolving set of 8-inch stairs. It offers a step range of 26 to 162 steps per minute and includes 10 total workout programs. The machine has a 2-window backlit LCD display and Polar-compatible heart rate monitoring. It measures 58 x 31 x 48 inches and weighs 481 pounds. You need a 10-foot high ceiling for this unit.
Pros
- 8-inch revolving stairs for challenging workouts
- Step range of 26 to 162 steps per minute
- 10 total workout programs including fat burner
- Polar-compatible heart rate monitoring
- 2-window backlit LCD display
Cons
- Requires a 10-foot high ceiling
- Weighs 481 pounds
- Limited to 10 workout programs
Good fit if
- You have a 10-foot high ceiling
- You want a commercial-grade stepmill
- You need Polar-compatible heart rate monitoring
Skip if
- You have less than 10 feet of ceiling height
- You need more than 10 workout programs
- You cannot support a 481-pound weight
Verdict: StairMaster SM5 StepMill suits those with ample ceiling height who need a heavy, commercial-grade stepper with basic LCD feedback.
StairMaster 10G Gauntlet Touchscreen
Best for: Users wanting a large touchscreen commercial stepper
- Display Type
- 10 Inch Touchscreen
- Connectivity
- Bluetooth
- Form Factor
- Stair Climber
- Intended Use
- Home Use
- Color
- Black
- Dimensions
- 63 × 34 × 83 inches
The StairMaster 10G Gauntlet is a heavy-duty stair stepper built for serious home cardio. It features a 10-inch touchscreen console for interactive programs and virtual challenges. You get Bluetooth and USB connectivity for tracking and entertainment. The machine measures 63 by 34 by 83 inches and weighs 646 pounds. Its robust construction supports intense workouts and adjustable speed settings for effective muscle targeting.
Pros
- 10-inch touchscreen display for interactive workouts
- Bluetooth and USB connectivity
- Adjustable speed and resistance settings
- Heavy-duty 646-pound commercial-grade build
Cons
- Large footprint requires significant floor space
- Heavy weight makes relocation difficult
- No remote control included
Good fit if
- You need a commercial-grade stepper for home use
- You prefer interactive touchscreen programs over basic LCDs
- You have space for a 63-inch long machine
Skip if
- You have limited floor space in your home
- You prefer a lightweight machine for easy moving
- You want a basic LCD console without touch features
Verdict: StairMaster 10G Gauntlet Touchscreen suits users who want a commercial-grade stepper with a large touchscreen interface and do not mind its substantial size. It is ideal for those prioritizing durability and interactive features over compactness.
StairMaster 10 Series 10G Commercial Stepper
Best for: Commercial gyms and high-intensity athletic training
- Resistance Levels
- 25 levels
- Stride Length
- 12 inch step depth
- Display Type
- LED
- Connectivity
- Apple Watch, Samsung Galaxy Watch NFC
- Intended Use
- Commercial Grade
View on Amazon: StairMaster 10 Series 10G Commercial Stepper
This is a commercial-grade StairMaster 10G StepMill designed for high-intensity athletic training. It features an elite OverDrive mode that simulates sled pushes and loaded climbs. The machine offers an extra-wide 12 by 22 inch step for a natural stride. You get 25 resistance levels and step rates from 24 to 190 SPM. An LED console provides intuitive feedback and programmable workouts.
Pros
- Commercial grade build for heavy use
- Extra-wide 12 by 22 inch steps
- OverDrive Training Mode for loaded climbs
- 25 resistance levels with 24-190 SPM range
- Apple Watch and Samsung Galaxy Watch NFC pairing
Cons
- LED display lacks the color richness of a touchscreen
- No mention of smartphone app integration
- Commercial footprint requires significant floor space
Good fit if
- You need a machine for a commercial gym or heavy home use
- You want to simulate sled pushes with OverDrive mode
- You prefer a large, stable step for powerful strides
Skip if
- You want a compact unit for small apartments
- You require a full-color touchscreen interface
- You need built-in streaming entertainment apps
Verdict: StairMaster 10G Commercial StepMill is built for serious athletes who need commercial durability and OverDrive training. It fits users who prioritize stride width and high-intensity simulation over touchscreens.
StairMaster 8G Gauntlet 10-Inch Touchscreen
Best for: Commercial gyms and large home fitness rooms
- Display Type
- 10-inch Touchscreen
- Connectivity
- Bluetooth
- Form Factor
- Stepmill
- Color
- Black
- Dimensions
- 58 × 34 × 89 inches
- Weight
- 381 pounds
The StairMaster 8G Gauntlet is a commercial-grade stair climber featuring a 10-inch touchscreen console. It measures 34 inches wide, 58 inches long, and weighs 381 pounds. The unit includes Bluetooth connectivity for workout tracking and dual heart-rate monitoring via telemetry and contact sensors. A personal fan and hot bar with controls are also integrated. This machine suits users seeking a robust, feature-rich stepper with digital integration.
Pros
- 10-inch touchscreen console for data display
- Bluetooth connectivity for workout tracking
- Dual heart-rate monitoring (telemetry and contact)
- Integrated personal fan with programmable auto start
- Hot bar includes stop button and level control
Cons
- Large footprint at 34 by 58 inches
- Heavy build at 381 pounds
- USB port is for charging only, not data transfer
Good fit if
- You want a commercial-grade stepper with a large display
- You need Bluetooth connectivity for tracking workouts
- You have space for a heavy, large machine
Skip if
- You need a compact machine for small spaces
- You prefer a lightweight unit for easy moving
- You do not require touchscreen controls
Verdict: StairMaster 8G Gauntlet 10-Inch Touchscreen is a heavy, spacious commercial stepper ideal for gyms or large home setups. It fits users who prioritize a large display, Bluetooth tracking, and durable construction over portability.
Specifications side by side
| Spec | StairMaster 4G 10" LCD Stepmill | StairMaster 8 Series FreeClimber LCD | StairMaster 8G Gauntlet Stepmill with LCD | StairMaster Replacement Stepper Part | StairMaster 8 Series 8Gx Gauntlet X Stepmill | StairMaster 4G Compact StepMill | StairMaster 10G Gauntlet Stair Stepper | StairMaster SM5 StepMill | StairMaster 10G Gauntlet Touchscreen | StairMaster 10 Series 10G Commercial Stepper | StairMaster 8G Gauntlet 10-Inch Touchscreen |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Resistance Levels | 20 resistance levels | not specified | not specified | not specified | 20 levels | 20 levels | not specified | not specified | not specified | 25 levels | not specified |
| Stride Length | 14” step-up height | not specified | not specified | not specified | not specified | 14 inch step height | not specified | not specified | not specified | 12 inch step depth | not specified |
| Display Type | OpenHub LCD console | LCD Screen | LCD Console | not specified | LCD | 10-inch touchscreen | LCD | 2 window backlit LCD | 10 Inch Touchscreen | LED | 10-inch Touchscreen |
| Connectivity | not specified | Bluetooth | Compatible with Polar telemetry | not specified | Bluetooth | Apple Watch, Samsung Galaxy Watch NFC | Bluetooth | Polar-compatible heart rate | Bluetooth | Apple Watch, Samsung Galaxy Watch NFC | Bluetooth |
| Form Factor | not specified | FreeClimber | Stepmill Stepper | not specified | Stepmill | not specified | Stair Climber | Commercial StepMill | Stair Climber | not specified | Stepmill |
| Included Accessories | not specified | not specified | not specified | not specified | not specified | USB charging port, fan, bottle holder | not specified | not specified | not specified | not specified | not specified |
| Intended Use | not specified | not specified | not specified | not specified | not specified | not specified | Home Use | not specified | Home Use | Commercial Grade | not specified |
| Color | Black | Gray or Silver | Black | not specified | Black | Black | Black | Black | Black | Matte Black (-60 black) | Black |
| Dimensions | 54 × 29 × 64 inches | 43 × 27 × 68 inches | 58 × 34 × 89 inches | 10 × 8 × 4 inches | 58 × 34 × 80 inches | not specified | 63 × 34 × 83 inches | 58 × 31 × 48 inches | 63 × 34 × 83 inches | not specified | 58 × 34 × 89 inches |
| Weight | 348 pounds | 274 pounds | 343 pounds | 10 pounds | 498 pounds | 348 pounds | not specified | 481 pounds | 646 pounds | not specified | 381 pounds |
| Model | 9-3415-4G-10IN-60BLK | not specified | not specified | not specified | 9-5345-8GX | 9-3415-4G-10-TS-60BLK | 10G | 150005-D1 | not specified | 9-5445-10G-LED-60 | not specified |
StairMaster Steppers Compared by Specs
You can group these 11 models by intended use and size. The StairMaster 4G 10" LCD Stepmill and StairMaster 4G Compact StepMill suit low-ceiling homes with heights under 65 inches. These units prioritize space efficiency without sacrificing core climbing mechanics. The StairMaster Replacement Stepper Part serves a different need for repairs rather than new purchases. For those needing commercial durability, the StairMaster 10G Commercial Stepper and StairMaster 10G Gauntlet Touchscreen offer heavy-duty frames. These weigh up to 646 pounds and feature large displays or LED screens for intense tracking. Other models like the StairMaster 8 Series FreeClimber LCD balance stability with data tracking. Choose based on your ceiling height and whether you need a touchscreen interface or basic LCD feedback for your specific workout routine.
Where StairMaster fits
StairMaster’s lineup spans from compact home units to heavy commercial machines. The smallest models, like the 4G, stand under 65 inches tall and weigh around 348 pounds. The largest option, the 10G Touchscreen, reaches 83 inches high and weighs 646 pounds. You will find mostly black or gray finishes. Options include basic LCDs, LED screens, and large touchscreens. The range lacks traditional elliptical or rower forms. It also does not offer lightweight, portable step mills under 200 pounds. Buyers need ample floor space for the heavier Gauntlet and commercial series models.
If you require steps for home furniture instead of exercise, specifications cover the best bunk beds with stairs.
How to choose the right StairMaster
-
Check ceiling height first
StairMasters vary significantly in vertical space. If your room has low ceilings, prioritize models under 65 inches tall. The StairMaster 4G 10" LCD Stepmill stands at 64 inches, fitting tight spaces well. In contrast, the 8G Gauntlet reaches 89 inches, requiring high ceilings. Measure your available height before buying. A machine that is too tall will not fit your room, regardless of other features. Always verify the height spec against your actual clearance.
-
Assess floor space needs
Footprint dimensions determine where you can place the unit. Widths range from 27 inches on the 8 Series FreeClimber to 34 inches on most Gauntlet models. Lengths vary from 43 inches to 63 inches. The 8 Series FreeClimber is the narrowest option at 27 inches wide. The 10G Gauntlet Touchscreen is the longest at 63 inches. Ensure you have enough clearance for safe entry and exit. Compare width and length specs to your floor plan.
-
Evaluate weight and stability
Heavier machines generally offer more stability during intense workouts. The StairMaster 8 Series 8Gx Gauntlet X Stepmill weighs 498 pounds, providing a solid base for heavy use. The 10G Touchscreen is even heavier at 646 pounds. Lighter options, like the 8 Series FreeClimber at 274 pounds, may feel less stable for aggressive climbers. Consider your body weight and training intensity. A higher weight capacity ensures the machine remains steady during vigorous sessions.
-
Choose display type wisely
Displays range from basic LCDs to large touchscreens. The 4G 10" LCD Stepmill uses a standard LCD for essential data. The 8G Gauntlet 10-Inch Touchscreen offers a larger, interactive interface. Some commercial models use LED screens for durability. Touchscreens provide more features but cost more and require more space. LCDs are simpler and often more reliable. Decide if you need advanced tracking or just basic metrics. Match the display type to your tech preference.
-
Verify commercial durability
Intended use affects build quality. The 10 Series 10G Commercial Stepper is built for commercial gyms and high-intensity training. It features OverDrive training for serious athletes. Home models like the 4G are durable but lighter. Commercial units are heavier and built for continuous use. If you plan to train multiple times daily, choose a commercial-grade model. Check the intended use spec. It indicates how the machine handles long-term wear and tear.
Frequently asked questions
Which StairMaster is best for low ceilings?
The StairMaster 4G 10" LCD Stepmill is the top pick for low-ceiling homes. It stands at 64 inches tall, making it the shortest full-sized model in the lineup. The StairMaster 4G Compact StepMill is another option, though its exact height is not listed. Both units are designed to fit in rooms with limited vertical space.
How much space does a StairMaster take up?
Footprint varies significantly by model. The StairMaster 8 Series FreeClimber LCD is the narrowest and shortest, measuring 27 inches wide and 43 inches long. The StairMaster 10G Gauntlet Touchscreen is much larger, requiring 34 inches of width and 63 inches of depth. You must check the specific width and length specs before placing a unit in your home.
What is the heaviest StairMaster model?
The StairMaster 10G Gauntlet Touchscreen is the heaviest model at 646 pounds. This weight contributes to its stability during intense workouts. The next heaviest is the 8 Series 8Gx Gauntlet X at 498 pounds. Heavier machines generally offer more stability, but they are harder to move once assembled.
Does the StairMaster 4G Compact StepMill have a display?
Yes, the StairMaster 4G Compact StepMill includes a touchscreen interface. It also features integrated sensors for tracking your workout data. This model is designed for users who want modern digital feedback in a compact form factor that fits tight spaces with low ceilings.
Which model is best for commercial gyms?
The StairMaster 10 Series 10G Commercial Stepper is built for commercial gyms and high-intensity training. It features an LED screen and is designed for serious athletes. The StairMaster SM5 StepMill is also suitable for commercial use, particularly in facilities with high ceilings. Both models prioritize durability over compactness.
Are there StairMaster models with Bluetooth?
The StairMaster 8G Gauntlet 10-Inch Touchscreen supports Bluetooth tracking for your workouts. It allows you to connect to fitness apps for data monitoring. Most other models, like the 4G LCD, use basic LCD displays without mentioned wireless connectivity features. Check the specific model attributes to confirm Bluetooth availability.
What is the difference between the 4G and 8 Series?
The 4G models are compact units designed for low ceilings, standing 64 inches tall. The 8 Series FreeClimber LCD is taller at 68 inches and narrower at 27 inches wide. The 8 Series prioritizes pedal stability and data tracking. The 4G prioritizes space efficiency for home gyms with height constraints.










