1. Introduction
Thank you for choosing the YESOUL Self-Powered Exercise Bike C1EV. This indoor cycling fitness equipment is designed to provide an immersive and effective workout experience with its self-generating power system, integrated cooling fan, and smart app connectivity. This manual provides essential information for assembly, operation, maintenance, and troubleshooting to ensure safe and optimal use of your exercise bike.

Figure 1: YESOUL Self-Powered Exercise Bike C1EV
2. Safety Information
Please read all instructions carefully before using the exercise bike. Keep this manual for future reference.
- Consult your physician before starting any new exercise program.
- Ensure all parts are securely assembled and tightened before each use.
- Keep children and pets away from the equipment during operation.
- Place the bike on a flat, stable surface.
- Wear appropriate athletic attire and footwear.
- Do not insert fingers or objects into the fan blades or moving parts.
- Maximum user weight capacity: 300 lbs.
3. Package Contents
Verify that all components are present and undamaged before assembly. Refer to Figure 2 for a visual overview of the parts.

Figure 2: Unboxing and Components Overview
- Main Frame
- Front Tube
- Rear Tube
- Handlebar Assembly
- Head Tube
- Seat
- Fan
- Tablet Holder
- Pedal Set (Left/Right)
- Decorative Cover
- Rotating Bracket
- Parts Package (screws, nuts, washers, wrenches)
- User Manual
4. Setup and Assembly
Follow these steps carefully for proper assembly. An installation video is available for visual guidance.
Video 1: Yesoul C1EV Installation Video. This video provides a step-by-step guide for assembling the exercise bike.
4.1. Unboxing and Preparation
- Keep the bottom of the box side up.
- Cut the tape on the box.
- First, take out the Leg tube.
- Flip the box.
- Hold both sides of the box with both hands, then lift the box to reveal the bike and foam packaging.
- Cut the tape and remove the polyfoam packaging.
- Carefully remove all accessories from the polyfoam.
4.2. Installation of Bottom Tubes (Front and Rear)
You will need: Cap nut & D8 flat spacer & Carriage bolt, Open-ended wrench 13-15#(D).
- For the Front Tube: Unscrew the pre-installed nut. Invert the bottom tube and insert the screw from the bottom. Support the screw with your left hand.
- Lift the main frame with your other hand and insert the front tube into the lower part of the frame.
- Screw the nut onto the screw. Use an open-ended wrench 13-15#(D) to tighten the nut securely.
- For the Rear Tube: Repeat the process. Unscrew the pre-installed nut. Insert the rear tube into the lower part of the frame.
- Screw the nut onto the screw. Use an open-ended wrench 13-15#(D) to tighten the nut securely.
4.3. Installation of Seat & Seat Post
You will need: Seat Post, Seat, Open-ended wrench 13-15#(D).
- Loosen the knob on the main frame to the left until the seat post can be inserted. Pull the knob outward and hold it.
- Insert the seat post into the frame to your desired height. Release the knob to secure it.
- Insert the seat against the seat post holes.
- Tighten the fixed knob of the seat sliding tube.
- Tighten the nuts on both sides of the seat using the open-ended wrench 13-15#(D).
- Use your hands to check that the seat is securely fastened.

Figure 3: Wider Cushion for reduced pressure on hips and tailbone.
4.4. Installation of Head Tube
You will need: Head Tube.
- First, connect the adjustment pipeline from the head tube to the bike connection line.
- Rotate the front column tightening knob in the left direction for 4-5 turns using one hand, pull the handle out and hold it.
- Insert the head tube into the frame, then turn the knob to the right direction to the tightest position.
4.5. Installation of Handlebar Assembly
You will need: Handlebar Assembly, Hex wrench 5#(B), D6 elastic washer 2PCS, M6-12 bolt 2PCS, M6-35 bolt 1PC.
- Untie the fixed Line's rope from the handlebar assembly.
- Insert the D6 elastic washers into the M6-12 nuts.
- Use a Hex wrench size 5 (B) to pre-tighten the two M6-12 nuts on the handlebar assembly.
- Plug the rotating bracket into the handrail.
- Use an M6-35 bolt to secure the rotating bracket.
- Tighten each nut individually using the Hex wrench.
4.6. Installation of Fan
You will need: Fan, Hex wrench 5#(B), M6x35 hex socket flathead screw.
- Align the fan with the holes on the rotating bracket.
- Insert the M6x35 hex socket flat head screw from below and tighten it with a hex wrench 5#(B).
- Secure the wire using the attached Velcro strap.
- Connect the Type-C connector of the power cable to the fan's charging port.

Figure 4: Integrated fan provides cooling during workouts.
4.7. Installation of Tablet (Mobile Phone) Holder
You will need: Tablet Holder, M10 bolt 1PC, M10 jam nut 1PCS, Hex wrench 8#(A), Multi-function wrench 13-15-17-19#.
- Insert the tablet (mobile phone) holder into the slot of the rotating bracket.
- Manually fasten the M10 bolt and M10 jam nut into the holes.
- Use hex wrench 8#(A) and multi-function wrench 13-15-17-19# to tighten the nut securely.
4.8. Installation of Pedals
You will need: Right Pedal, Left Pedal, Open-ended wrench 13-15#(D), Multi-function wrench 13-15-17-19#(C).
- For the Right Pedal: Remove the nut pre-installed on the right pedal. Rotate the pedal clockwise into the crank. Tighten the foot pedal using an open-ended wrench 13-15#(D).
- For the Left Pedal: Remove the nut pre-installed on the left pedal. Screw the foot pedal counter-clockwise into the crank. Tighten the foot pedal using an open-ended wrench 13-15#(D).
5. Operating Instructions
Your YESOUL Exercise Bike is designed for intuitive operation. Here's how to get started and make the most of your workout.
Video 2: YESOUL Self-Powered Exercise Bike Overview. This video highlights key features and usage of the bike.
5.1. Self-Generating Power
The bike features a self-powered system. Your pedaling motion generates electricity to power the integrated cooling fan and LED indicator lights. No external power source is required, offering flexibility in placement.

Figure 5: The bike's self-powered design generates electricity from your pedaling.
5.2. Cooling Fan Operation
The built-in fan provides a refreshing breeze during your workout. Adjust the gear level by operating the fan switch located on the fan unit. The fan has multiple speed settings to suit your preference.
5.3. Magnetic Resistance Adjustment
The bike features 100 levels of magnetic resistance for a smooth and quiet ride. Rotate the red knob located on the main frame to increase or decrease the resistance. This allows for precise control over your workout intensity, from warm-up to high-intensity interval training (HIIT).

Figure 6: Adjust resistance with the red knob for customized workouts.
5.4. App Connectivity and Features
Connect your exercise bike to the YESOUL app via Bluetooth for an enhanced training experience. The app allows you to:
- Monitor real-time workout statistics (speed, time, RPM, distance).
- Explore immersive scenic rides.
- Join live training sessions and instructor-led classes for all skill levels.
- Track your progress over time.

Figure 7: The YESOUL App provides exclusive exercise plans and data tracking.
Note: iPad/tablet for reference only, sold separately.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your exercise bike.
- Cleaning: Wipe down the bike with a damp cloth after each use to remove sweat and dust. Avoid abrasive cleaners.
- Inspection: Periodically check all bolts and nuts to ensure they are tight. Re-tighten if necessary.
- Belt Drive: The belt drive system is designed for low maintenance and quiet operation. No lubrication is required.
- Storage: Store the bike in a dry, cool place away from direct sunlight and extreme temperatures.
7. Troubleshooting
If you encounter any issues with your YESOUL Exercise Bike, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bike is unstable or wobbles | Uneven floor; loose bolts | Adjust the leveling feet on the base stabilizers. Tighten all assembly bolts. |
| Resistance not changing | Resistance knob not fully engaged or mechanism issue | Ensure the resistance knob is turned firmly. If the issue persists, contact customer support. |
| Fan not working | Not enough pedaling speed; power cable disconnected; fan switch off | Pedal faster to generate more power. Check the Type-C power cable connection to the fan. Ensure the fan switch is turned on. |
| App not connecting to bike | Bluetooth off; app issue; bike not generating power | Ensure Bluetooth is enabled on your device. Restart the app and/or your device. Pedal the bike to activate its power generation. |
8. Specifications
Detailed specifications for the YESOUL Self-Powered Exercise Bike C1EV:
| Feature | Detail |
|---|---|
| Brand | YESOUL |
| Model Name | C1EV |
| Color | Self Powered Fan-Black |
| Power Source | Self-Powered (Battery Powered for fan) |
| Recommended Uses | Indoor |
| Item Weight | 60.7 Pounds |
| Material | Kohlenstoffstahl (Carbon Steel) |
| Resistance Mechanism | Magnetic |
| Number of Resistance Levels | 100 |
| Product Dimensions (LxWxH) | 41"D x 22.8"W x 49"H |
| Maximum Weight Recommendation | 300 Pounds |
| Drive System | Belt |
| Special Feature | App Connectivity, Cooling Fan, LED Indicator Lights |
9. Warranty and Support
For warranty information or technical support, please refer to the warranty card included in your package or visit the official YESOUL website. You can also contact customer service through the retailer where you purchased the product.





