Description

Spirit Fitness Rehab 4.0U Upright Bike

The Spirit Fitness 4.0U Upright Bike is a rehab-ready solution engineered for comfort, precision, and performance. Designed for medical facilities and at-home recovery alike, this upright bike combines self-generating power, 40 levels of resistance, and a fully adjustable seat for a tailored therapy experience, no power cord required.

Perfect for physical therapy environments, the 4.0U supports upright posture for optimal muscle engagement and joint-friendly motion. A quiet magnetic resistance system, intuitive console, and built-in heart rate monitoring help users progress through rehab sessions with confidence.



Key Features

  • Cord-Free Operation
    Self-generating power allows cordless setup anywhere—no outlets or messy cords.

  • 40 Resistance Levels
    Precisely adjust intensity for beginner to advanced rehab goals, supporting progressive recovery.

  • Fully Adjustable Foam Seat
    High-density foam seat adjusts fore/aft and vertically, accommodating users of all sizes (up to 350 lb).

  • Whisper-Quiet Magnetic Resistance
    Smooth and silent operation ideal for focused rehab sessions in clinical or home environments.

  • Integrated Heart Rate Monitoring
    Track progress with hand pulse sensors or connect via Bluetooth/ANT+ (strap not included).

  • Bright LED Console
    Easy-to-read white LED display with 11 built-in programs, including HR, VO2, METs, and Custom routines.

  • Built-In Cooling & Storage
    3-speed fan, tablet/reading rack, and dual cup holders keep users comfortable and organized.


Optimized for Rehabilitation & Clinical Use

  • Upright Posture Support
    Encourages correct alignment and improves strength, balance, and coordination during therapy.

  • Oversized Pedals with Fast-Latching Straps
    Ensure secure foot placement and easy entry/exit for all mobility levels.

  • CSAFE Compatible
    Seamlessly integrate with health tracking systems in clinical settings.

  • Compact, Mobile Design
    Transport wheels make it easy to move the bike between rooms or into storage when not in use.


Specifications

  • Power: Self-generating (no external power required)

  • Resistance Levels: 40

  • Seat Type: High-density foam

  • Seat Adjustments: Vertical, fore/aft

  • Pedals: Oversized with fast-latching straps

  • Frame: Commercial-grade steel with powder-coated finish

  • Console Display: White LED, 20-character message window

  • Programs: Manual, Hill, Plateau, Interval, Custom, VO2, METs, HR (65%, 80%, Interval), HR Auto Pilot

  • Heart Rate Receiver: Bluetooth, ANT+ FTMS, G-FIT compatible (HR strap not included)

  • Connectivity: CSAFE

  • Convenience Features:

    • 3-speed fan

    • Tablet/reading rack

    • Hand pulse sensors

    • Transport wheels


Perfect For:

  • Physical therapy clinics

  • Rehabilitation centers

  • Assisted living facilities

  • At-home recovery after surgery or injury

  • Seniors and users needing low-impact cardio


 The Spirit Fitness 4.0U Upright Bike offers reliable performance, medical-grade quality, and user-centric features, empowering users to ride with purpose, comfort, and progress.

 

Warranty
Warranty data
US WARRANTY
5 Years Parts
1 Year Labor


*Prisons and correctional facilities are excluded from warranty coverage.
Compare
Spirit Fitness Rehab Upright Bike Comparison
Feature 4.0U Upright Bike 7.0U Upright Bike
Category Rehabilitation Upright Bike Advanced Rehabilitation Upright Bike
Resistance Levels 20 Levels 40 Levels
Drive System ECB Magnetic Resistance ECB Magnetic Resistance
Programs Basic Presets Advanced Rehab + Custom Programs
Console Features LCD Display
Time, Distance, Calories, Pulse
Simple Controls
Backlit LCD Display
Detailed Metrics
HR Monitoring (Contact + Telemetry)
Custom Programs
Seat Adjustable Comfort Seat Enhanced Ergonomic Seat
Step-Through Design Yes Yes (Enhanced)
Frame Heavy-Duty Steel Commercial-Grade Steel
Dimensions 48" x 25" x 52" 48" x 26" x 52"
User Capacity 350 lbs 450 lbs
Warranty Frame: Lifetime
Parts: 5 Years
Labor: 2 Years
Frame: Lifetime
Parts: 10 Years
Labor: 2 Years
FAQs
Frequently asked question

Is the Spirit Fitness Rehab 4.0U worth buying for home recovery use?

Yes, the 4.0U is an excellent choice for home recovery. It features self-generating power so no outlet is needed, 40 resistance levels for progressive therapy, and a fully adjustable seat for personalized comfort. Originally designed for medical facilities, it brings professional-grade rehab equipment to your home, making it ideal for post-surgery recovery, joint rehabilitation, or low-impact cardiovascular exercise.

What warranty comes with the Spirit Fitness Rehab 4.0U Upright Bike?

Spirit Fitness is known for offering strong warranty coverage on their rehab equipment. We recommend checking the current warranty details on this product page or contacting our support team directly, as terms can vary. Generally, Spirit Fitness backs their bikes with coverage on the frame, parts, and labor, reflecting the commercial-grade quality built into every unit.

Does the Spirit Fitness 4.0U require a power outlet to operate?

No, the Spirit Fitness 4.0U uses self-generating power technology, meaning it creates its own electricity as you pedal. This makes it extremely convenient for any room in your home or clinical setting without needing a nearby outlet. Simply start pedaling and the console powers on automatically.

How many resistance levels does the Spirit Fitness Rehab 4.0U offer?

The 4.0U features 40 levels of magnetic resistance, giving users a wide range of intensity options. This makes it ideal for rehab patients who need to start very light and gradually increase difficulty over time, as well as for users seeking a more challenging cardiovascular workout as their recovery progresses.

Is the Spirit Fitness 4.0U suitable for physical therapy clinics?

Absolutely. The 4.0U was specifically engineered with medical and rehabilitation environments in mind. Its upright riding position encourages proper posture and optimal muscle engagement while minimizing joint stress. The wide resistance range and fully adjustable seat make it easy for therapists to customize sessions for patients with varying fitness levels and recovery needs.

How do I adjust the seat on the Spirit Fitness Rehab 4.0U Upright Bike?

The 4.0U features a fully adjustable seat designed to accommodate a wide range of body types. Seat height and fore-aft positioning can typically be modified without tools for quick, easy adjustments between users. This is especially useful in clinical settings with multiple patients or households with users of different heights.

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