1. Introduction
This manual provides comprehensive instructions for the MERACH S28 Automated Magnetic and Incline Exercise Bike. It covers essential information regarding setup, operation, maintenance, and troubleshooting to ensure safe and effective use of your exercise equipment. Please read this manual thoroughly before assembly and operation, and retain it for future reference.
2. Safety Information
WARNING: Before starting any exercise program, consult your physician. This is especially important for individuals over the age of 35 or those with pre-existing health conditions.
- Ensure all parts are securely fastened before each use.
- Keep children and pets away from the exercise bike during operation.
- Place the bike on a flat, stable surface with adequate clearance around it.
- Wear appropriate exercise attire and footwear.
- Do not exceed the maximum user weight capacity of 350 lbs (158 kg).
- If you experience pain, dizziness, or shortness of breath, stop exercising immediately.
3. Package Contents
Verify that all components are present and undamaged before proceeding with assembly.
- MERACH S28 Exercise Bike Main Frame (80% pre-assembled)
- Handlebars
- Seat and Seat Post
- Pedals (Left and Right)
- Front and Rear Stabilizers
- Device Holder
- Water Bottle Holder
- Dumbbell Racks (if applicable)
- Assembly Hardware and Tools
- User Manual
4. Setup and Assembly
The MERACH S28 bike arrives largely pre-assembled, allowing for quick setup. Most users can complete the assembly in under 20 minutes by following the included step-by-step instructions and video guide.
4.1 Assembly Steps
- Unpack Components: Carefully remove all parts from the packaging.
- Attach Stabilizers: Secure the front and rear stabilizers to the main frame using the provided hardware.
- Install Pedals: Attach the left and right pedals. Note that the left pedal is reverse-threaded.
- Mount Seat and Handlebars: Insert the seat post and handlebars into their respective slots and secure them.
- Attach Accessories: Install the device holder, water bottle holder, and dumbbell racks.
- Final Check: Ensure all bolts and nuts are tightened and the bike is stable.

Figure 4.1: Fully assembled MERACH S28 Exercise Bike.

Figure 4.2: The MERACH S28 is designed for easy movement and storage.
5. Operating Instructions
5.1 Adjusting Seat and Handlebars
The S28 offers 4-way adjustable seat and 2-way adjustable handlebars to accommodate users from 4'8" to 6'4". Loosen the adjustment knobs, position the seat/handlebars to your desired height and distance, and then securely tighten the knobs.

Figure 5.1: Adjusting the seat and handlebars for optimal fit.
5.2 Magnetic Resistance and Incline/Decline
The S28 features 16 levels of automated magnetic resistance and an exclusive ±6% automatic incline system. These adjustments can be controlled via the MERACH App or the intuitive adjustable button on the handlebars.

Figure 5.2: Smart Magnetic Resistance Controls on the console.

Figure 5.3: The bike offers ±6% incline and decline capabilities.

Figure 5.4: Grade adjustment buttons for incline and decline control.

Figure 5.5: Intuitive adjustable button for controlling various workout metrics.
5.3 Using the MERACH App
Download the free MERACH App from the App Store or Google Play. Connect your S28 bike via Bluetooth to access thousands of classes, interactive games, global routes, and real-time data tracking (distance, time, calories, heart rate). The app is compatible with Kinomap, Zwift, Apple Health, and Google Fit.

Figure 5.6: The MERACH App interface for workout planning and tracking.
Video 5.1: Overview of the MERACH S28 Smart Bike features, including adjustable incline and decline. This video demonstrates the bike in use and highlights its key functionalities.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your MERACH S28 Exercise Bike.
- Cleaning: Wipe down the bike with a damp cloth after each use to remove sweat and dust. Avoid abrasive cleaners.
- Inspections: Periodically check all bolts, nuts, and moving parts for tightness and wear. Tighten any loose fasteners.
- Lubrication: The magnetic resistance system is maintenance-free. No lubrication is required for the flywheel or resistance mechanism.
- Storage: Store the bike in a dry, cool place away from direct sunlight and extreme temperatures.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bike is unstable or wobbles. | Uneven floor surface or loose stabilizers. | Adjust the leveling feet on the stabilizers. Ensure all stabilizer bolts are tight. |
| Resistance not changing or inconsistent. | App not connected, or magnetic resistance mechanism issue. | Ensure the MERACH App is properly connected via Bluetooth. If the issue persists, contact customer support. |
| Squeaking or grinding noise during operation. | Loose components or foreign object. | Check all visible bolts and connections for tightness. Inspect for any obstructions near the flywheel or pedals. |
| App not connecting to the bike. | Bluetooth disabled on device, bike not powered on, or app issue. | Ensure Bluetooth is enabled on your device. Power cycle the bike. Restart the MERACH App. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | S28 |
| Brand | MERACH |
| Resistance Mechanism | Magnetic |
| Number of Resistance Levels | 16 |
| Incline/Decline System | Automated ±6% |
| Flywheel Weight | 40 lbs |
| Maximum Weight Capacity | 350 lbs |
| Recommended User Height | 4'8" to 6'4" |
| Product Dimensions (D x W x H) | 45.27" x 10.62" x 35.03" |
| Item Weight | 109.5 lbs |
| Power Source | Battery Powered |
| Material | Alloy Steel |
| Drive System | Belt |

Figure 8.1: Stable Dual Triangle Frame design for enhanced stability.

Figure 8.2: The 40 lb flywheel and 5000GS strong magnets provide smooth, quiet, and powerful resistance.
9. Warranty and Support
MERACH offers a comprehensive 1-year warranty on the S28 Exercise Bike. For any technical assistance or warranty claims, please contact MERACH customer service. We are committed to providing responsive support with a 12-hour response guarantee and lifetime professional technical support.
For further assistance, please visit the official MERACH website or contact their support team directly.