Introduction
Thank you for choosing the MERACH S04 Under Desk Bike Pedal Exerciser. This compact and versatile fitness machine is designed to provide low-intensity, recovery-friendly workouts for your arms and legs. With its quiet magnetic resistance and smart app connectivity, it's an ideal solution for maintaining activity while working, recovering from injury, or for daily exercise for seniors. Please read this manual thoroughly before use to ensure safe and optimal operation.

Important Safety Information
- Consult your physician before starting any exercise program.
- Keep children and pets away from the equipment during use.
- Place the exerciser on a stable, flat surface.
- Ensure all parts are securely assembled before each use.
- Do not stand on the pedal exerciser. It is designed for seated use only.
- Stop exercising immediately if you feel faint, dizzy, or experience pain.
- Keep hands and feet clear of moving parts.
Package Contents
Upon opening the package, please verify that all components are present and undamaged:
- MERACH S04 Under Desk Bike Pedal Exerciser (Main Unit)
- 2 x Resistance Bands
- 1 x Non-Slip Mat
- User Manual (this document)
- Any necessary assembly tools (if applicable, not explicitly listed but implied by setup image)
Setup and Assembly
The MERACH S04 is designed for quick and easy assembly, typically within 10 minutes. Follow these general steps:
- Unpack Components: Carefully remove all items from the packaging.
- Attach Stabilizer Bars: Secure the front and rear stabilizer bars to the main unit using the provided screws and tools.
- Attach Pedals: Screw the pedals into their respective cranks. Ensure the left pedal (L) is attached to the left crank and the right pedal (R) to the right crank. Tighten securely.
- Position Non-Slip Mat: Place the non-slip mat on the floor where you intend to use the exerciser. This protects your floor and prevents the unit from sliding.
- Place Exerciser: Position the assembled MERACH S04 on the non-slip mat.
- Attach Resistance Bands (Optional): If using, attach the resistance bands to the designated hooks on the exerciser.


Operating Instructions
1. Using for Leg Exercise (Under Desk)
- Sit comfortably in a chair with your feet placed on the pedals.
- Adjust the pedal straps to secure your feet.
- Begin pedaling at a comfortable pace.
- Adjust the magnetic resistance using the resistance knob (see 'Adjusting Resistance').

2. Using for Arm Exercise (On Table)
- Place the exerciser on a stable table surface.
- Sit in front of the unit and place your hands on the pedals.
- Begin rotating the pedals with your hands.
- Adjust the magnetic resistance as desired.
3. Using with Resistance Bands
- Attach the resistance bands to the designated hooks on the exerciser.
- While pedaling with your legs, grasp the handles of the resistance bands.
- Perform arm exercises (e.g., curls, rows) simultaneously with your leg workout.

4. Adjusting Resistance
The MERACH S04 features 16 levels of smooth magnetic resistance. Turn the resistance knob located on the main unit clockwise to increase resistance (HIGH) and counter-clockwise to decrease resistance (LOW).

5. LCD Monitor Functions
The integrated LCD monitor displays key workout metrics:
- SCAN: Automatically cycles through all metrics.
- SPEED: Current pedaling speed.
- TIME: Duration of your workout.
- DISTANCE: Distance covered during your workout.
- CALORIES: Estimated calories burned.

6. MERACH App Connectivity
Enhance your training experience by connecting your MERACH S04 to the free MERACH App via Bluetooth.
- Download the App: Search for "MERACH" in the App Store (iOS) or Google Play Store (Android).
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone or tablet.
- Connect Device: Open the MERACH App and follow the on-screen instructions to pair with your S04 exerciser.
- Explore Training Modes: The app offers various training modes, including free training, target-based workouts, and timed practices.
- Track Progress: The app records your workout data (speed, distance, RPM, calories burned) allowing you to monitor your progress over time.

Maintenance
- Cleaning: Wipe down the exerciser with a damp cloth after each use to remove sweat and dust. Avoid using abrasive cleaners.
- Inspection: Regularly check all bolts and connections to ensure they are tight and secure.
- Storage: Store the exerciser in a cool, dry place away from direct sunlight and extreme temperatures. Its compact and portable design makes it easy to store.
Troubleshooting
- No display on LCD monitor:
- Check if the batteries are correctly installed or need replacement. Ensure the connections to the monitor are secure.
- Resistance not changing:
- Ensure the resistance knob is turning freely and engaging the magnetic mechanism. If the issue persists, contact customer support.
- Unit slides during use:
- Ensure the non-slip mat is properly placed on a clean, dry surface. Verify that the exerciser's feet are fully on the mat.
- Difficulty connecting to MERACH App:
- Ensure Bluetooth is enabled on your device and the exerciser is powered on. Try restarting both the app and the exerciser. Make sure your device is within range.
Specifications
| Feature | Detail |
|---|---|
| Model Number | S04B1 |
| Brand | MERACH |
| Item Weight | 18 Pounds (approx. 8.16 kg) |
| Color | BLACK |
| Material | Aluminum |
| Product Dimensions (L x W x H) | 23.62"D x 21.8"W x 12.59"H (approx. 60 x 55.4 x 32 cm) |
| Weight Capacity | 280 pounds (approx. 127 kg) |
| Resistance Type | Magnetic |
| Resistance Levels | 16 Levels |
| Display Type | LCD (Scan, Speed, Time, Distance, Calories) |
| Connectivity | Bluetooth (for MERACH App) |
| Training Site | Legs, Foot, Hip, Core, Arm (with bands) |
| Type of Sports | Cardio Training |
User Tips
- Footwear: For optimal comfort and grip, it is recommended to pedal barefoot or in slippers/trainers. Avoid wearing casual shoes that might slip or interfere with the pedal straps.
- Pedal Strap Adjustment: Always adjust the tightness of the pedal straps to ensure your feet are securely held, preventing slippage during your workout.
- Placement: The compact design makes it ideal for use under a desk, allowing you to stay active while working or studying. Ensure there is enough clearance for your knees and feet.
- Flywheel Weight: While the exact flywheel weight is not specified, the 16-level magnetic resistance system provides a smooth and quiet operation suitable for various intensity levels.
- Recovery & Therapy: This exerciser is excellent for low-impact recovery and physical therapy, helping to improve circulation and muscle strength without excessive strain.
Warranty and Support
The MERACH S04 Under Desk Bike Pedal Exerciser comes with a one-year manufacturer's warranty. In the event of any quality issues or if you require assistance with your product, please contact the seller directly. They are committed to providing reliable products and support.





