1. Introduction and Overview
The MERACH S26B4 Magnetic Stationary Exercise Bike is designed to provide an effective and quiet indoor cycling experience. It features a 15.6-inch HD screen, magnetic resistance, and seamless app integration, supporting various fitness levels and workout styles. Constructed with a sturdy alloy steel frame, it ensures stability during use.
Key Features:
- 15.6-inch Full HD (1920x1080P) Swivel & Tilt Display
- Triple 4500Gs Magnets & Weighted Flywheel for Smooth Magnetic Resistance
- 8 Levels of Resistance Adjustment
- 300 lbs (136 kg) Maximum Weight Capacity
- Whisper-Quiet Operation (below 25 dB)
- MERACH App Integration with Google Fit, Apple Health, Kinomap, and Zwift
- 2-Way Adjustable Handlebar and 4-Way Adjustable Padded Seat
- Integrated Dumbbell Rack and Dual Water Bottle Holders

Figure 1: The MERACH S26B4 Magnetic Stationary Exercise Bike.
2. Setup Instructions
The MERACH S26B4 exercise bike arrives 80% pre-assembled. The remaining assembly typically takes approximately 30 minutes. Please refer to the detailed assembly instructions included in your product packaging for step-by-step diagrams and specific guidance.
General Assembly Steps:
- Unpack Components: Carefully remove all parts from the packaging and verify against the parts list in your manual.
- Attach Stabilizers: Secure the front and rear stabilizer bars to the main frame.
- Install Pedals: Attach the left and right pedals to the crank arms. Note the 'L' and 'R' markings.
- Mount Seat: Install the seat post and then the padded seat, adjusting to a comfortable height.
- Assemble Handlebar: Attach the handlebar post and then the handlebar assembly, including the screen mount.
- Install Screen: Secure the 15.6-inch HD screen to its mount and connect any necessary cables.
Ensure all bolts and connections are tightened securely before first use.

Figure 2: Side view of the MERACH S26B4 exercise bike, illustrating its assembled structure.
3. Operating Instructions
3.1 Power On/Off
Connect the power adapter to the bike and a suitable electrical outlet. The 15.6-inch HD screen will automatically activate. To power off, disconnect the power adapter.
3.2 Screen Features and Tracking
The bike features a 15.6-inch Full HD (1920x1080P) screen with a 16:9 aspect ratio and 60Hz refresh rate. The screen can swivel 90 degrees horizontally and tilt 60 degrees vertically for optimal viewing angles. It tracks 5 key metrics in real-time:
- Time
- Speed
- Mileage
- Calories Burned
- Distance

Figure 3: The 15.6-inch HD screen displaying real-time workout metrics.
3.3 Resistance Adjustment
The MERACH S26B4 utilizes a magnetic resistance system with 8 adjustable levels. To increase or decrease resistance, turn the resistance knob located on the main frame. The magnetic system provides smooth transitions from warm-up (0-20%) to maximum effort (100%).
3.4 Adjusting Seat and Handlebar
For optimal comfort and performance, adjust the handlebar and seat to your preferred position:
- Handlebar: The handlebar is 2-way adjustable (up/down). Loosen the adjustment knob, move to the desired height, and tighten securely.
- Seat: The padded seat is 4-way adjustable (up/down, forward/backward). Loosen the adjustment knobs, position the seat for your height (suitable for riders 4'8'' to 6'2''), and tighten firmly. The seat also features a tilt adjustment of +/- 45 degrees to reduce frontal pressure and enhance comfort.

Figure 4: Illustration of the adjustable seat mechanism for optimal riding posture.
3.5 App Integration and Connectivity
The MERACH S26B4 bike integrates with the self-developed MERACH App and other popular fitness platforms:
- MERACH App: Download the MERACH App from the App Store or Google Play. Track real-time stats and access fitness courses.
- Data Sync: Effortlessly sync your workout data with Google Fit and Apple Health.
- Third-Party Apps: Ride with Kinomap and Zwift for immersive training experiences.
- Wireless Mirroring: Project movies or workout courses directly from your phone onto the larger display. Note: The screen is currently incompatible with iPhone 17 series and Google phones for direct mirroring.

Figure 5: The 15.6-inch HD screen displaying various fitness and entertainment applications.

Figure 6: MERACH App integration with leading fitness platforms.

Figure 7: Immersive scenic cycling experience on the HD screen.
3.6 Additional Features
- Dumbbell Rack: Conveniently store dumbbells on the integrated rack.
- Water Bottle Holders: Dual holders keep your hydration accessible during workouts.
- Cage Pedals: Secure your feet during intense cycling sessions.
- Transport Wheels: Bi-directional transport wheels allow for easy movement and storage of the bike.

Figure 8: Integrated dumbbell rack and dual water bottle holders.
4. Maintenance
Regular maintenance ensures the longevity and optimal performance of your MERACH S26B4 exercise bike.
- Cleaning: Wipe down the bike with a damp cloth after each use to remove sweat and dust. Avoid abrasive cleaners.
- Check Connections: Periodically inspect all bolts, nuts, and moving parts for tightness. Tighten as necessary.
- Magnetic System: Keep the area around the magnetic resistance system clean and free from debris to ensure smooth operation.
- Storage: Store the bike in a dry, cool environment away from direct sunlight and extreme temperatures.
5. Troubleshooting
If you encounter issues with your MERACH S26B4 exercise bike, refer to the following common solutions:
- Screen Incompatibility: The 15.6-inch HD screen is currently incompatible with iPhone 17 series and Google phones for direct mirroring. For these devices, consider alternative casting methods if supported by the device or use the MERACH app on a compatible device.
- App Connectivity Issues: Ensure Bluetooth is enabled on your device and the MERACH app is updated to the latest version. Restart both the bike and your device if connection problems persist. Check the MERACH app for specific troubleshooting guides.
- Unusual Noise: The bike is designed for quiet operation (below 25 dB). If unusual noise occurs, check for loose parts or contact customer support.
- Resistance Not Adjusting: If the resistance is not changing correctly, ensure the resistance knob is fully functional and not obstructed. If the issue persists, contact customer support.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | MERACH |
| Model Name | S26B4 |
| Resistance Mechanism | Magnetic |
| Power Source | Corded Electric |
| Item Weight | 21 Kilograms |
| Material | Alloy Steel |
| Product Dimensions (D x W x H) | 38.37" x 11.41" x 30.11" |
| Maximum Weight Recommendation | 300 Pounds |
| Number of Resistance Levels | 8 |
| Drive System | Belt |
| Display | 15.6'' HD Swivel & Tilt Display |
| Connectivity | Fitness data sync to Merach, Zwift, Kinomap, Google Fit, Apple Health |
| Adjustable Handlebar | 2-ways |
| Adjustable Seat | 4-ways |
| Recommended User Height | 4'8'' to 6'2'' |
7. Warranty and Support
7.1 Product Warranty
MERACH offers a 1-year warranty for the S26B4 Magnetic Stationary Exercise Bike, covering manufacturing defects and malfunctions under normal use.
7.2 Customer Support
Our dedicated support team is available to assist you with any questions regarding installation, operation, or troubleshooting. We aim to respond within 12 hours via message or phone.
For support, please refer to the contact information provided in your product packaging or visit the official MERACH website.
8. Official Product Videos
8.1 App-Integrated Indoor Cycling Bikes
This video demonstrates the app integration features of the MERACH S26B4 exercise bike, showcasing how it connects with various fitness applications for an interactive workout experience.
8.2 S26B4 Exercise Bike with 15.6" HD Display
An overview video highlighting the key features of the MERACH S26B4 Exercise Bike, including its 15.6-inch HD display and overall design.