1. Introduction
Thank you for choosing the CHAOKE Professional Exercise Bike. This manual provides essential information for the safe and effective use of your new fitness equipment. Please read this manual thoroughly before assembly and operation, and keep it for future reference. This exercise bike is designed for indoor use, offering a quiet and effective workout experience with advanced features like magnetic resistance and app connectivity.

CHAOKE Professional Exercise Bike, showcasing its sleek black and red design with a tablet holder and magnetic resistance system.
2. Safety Information
Before using the exercise bike, please observe the following safety precautions:
- Consult your physician before starting any exercise program.
- Ensure all parts are correctly assembled and tightened before each use.
- Keep children and pets away from the equipment during operation.
- Place the bike on a flat, stable surface with adequate clearance around it.
- Wear appropriate athletic footwear and clothing.
- Do not exceed the maximum user weight capacity of 160 kg (352 lbs).
- Stop exercising immediately if you feel faint, dizzy, or experience pain.
3. Package Contents
Carefully unpack all components and verify that you have received all the items listed below. If any parts are missing or damaged, please contact customer support.
- Main Frame (pre-assembled)
- Handlebar Assembly
- Seat Post and Seat
- Front and Rear Stabilizers
- Pedals (Left and Right)
- LCD Monitor
- Water Bottle Holder
- Hardware Kit (bolts, washers, nuts)
- Assembly Tools
- User Manual
4. Assembly Instructions
The CHAOKE Professional Exercise Bike comes 70% pre-assembled, allowing for quick setup, typically within 25 minutes. All necessary tools are included.
- Attach Stabilizers: Secure the front and rear stabilizers to the main frame using the provided bolts and washers. Ensure they are firmly tightened for stability.
- Install Pedals: Identify the left (L) and right (R) pedals. The left pedal screws counter-clockwise, and the right pedal screws clockwise. Thread them carefully into the crank arms and tighten securely.
- Mount Seat Post and Seat: Insert the seat post into the main frame and adjust to your desired height. Secure it with the locking knob. Attach the seat to the seat post.
- Attach Handlebar Assembly: Slide the handlebar assembly onto the front post. Adjust the height and secure it with the locking knob.
- Connect LCD Monitor: Connect the sensor cables from the main frame to the back of the LCD monitor. Mount the monitor onto the handlebar assembly.
- Install Water Bottle Holder: Attach the water bottle holder to the designated spot on the frame.
For a visual guide, scan the QR code on the user manual or visit the product page for an installation video.

Diagram showing the robust triangular and conical steel frame construction of the CHAOKE exercise bike, emphasizing its 3mm thick steel, 1200-ton forging process, 2.5 hours of manual polishing, and electrophoretic rust protection for enhanced durability and stability.
5. Operating Instructions
5.1 Adjusting Resistance
The CHAOKE Exercise Bike features a 0-100% continuously adjustable magnetic resistance system. To increase resistance, turn the resistance knob clockwise. To decrease resistance, turn it counter-clockwise. For emergency stops, press down firmly on the resistance knob.

Image demonstrating the CHAOKE exercise bike's 0-100% continuously adjustable magnetic resistance, showing a resistance dial and two individuals of different fitness levels, illustrating the bike's adaptability for various training intensities.
5.2 Seat and Handlebar Adjustment
For optimal comfort and exercise posture, adjust the seat and handlebar positions:
- Seat Adjustment: The perforated, breathable seat can be adjusted to 8 different positions (vertically and horizontally). Loosen the adjustment knob, slide the seat to your desired position, and tighten the knob securely.
- Handlebar Adjustment: The non-slip handlebar can be adjusted to 6 different positions (vertically). Loosen the adjustment knob, move the handlebar to a comfortable height, and tighten the knob firmly.
The bike is suitable for users between 140 cm and 190 cm in height.
5.3 LCD Monitor and App Connectivity
The integrated LCD monitor displays key workout metrics such as scan, time, speed, distance, and calories burned. For an enhanced experience, the bike is compatible with professional fitness applications like ZWIFT and KINOMAP via Bluetooth. Simply enable Bluetooth on your device, open the fitness app, and connect to the CHAOKE bike.

Image illustrating the CHAOKE exercise bike's Bluetooth connectivity, showing a user interacting with fitness apps like Zwift and Kinomap on a tablet mounted on the bike's console.
5.4 Ultra-Quiet Operation
The CHAOKE Exercise Bike features an advanced magnetic resistance system that produces less than 5 dB of noise, ensuring an ultra-quiet workout experience. This allows you to exercise at any time without disturbing others.

Visual representation of the CHAOKE exercise bike's ultra-quiet operation, depicting a user cycling silently while another person sleeps peacefully nearby, highlighting the low noise level of under 5dB.
6. Maintenance
Regular maintenance will ensure the longevity and optimal performance of your CHAOKE Exercise Bike:
- Cleaning: Wipe down the bike with a damp cloth after each use to remove sweat and dust. Avoid abrasive cleaners.
- Lubrication: The magnetic resistance system is low-maintenance and does not require lubrication.
- Check Connections: Periodically check all bolts and nuts to ensure they are tight. Loose connections can affect stability and performance.
- Storage: Store the bike in a dry, cool place away from direct sunlight and extreme temperatures. The bidirectional transport wheels make it easy to move.
7. Troubleshooting
If you encounter any issues with your CHAOKE 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 stabilizers; tighten all assembly bolts. |
| Resistance not changing smoothly | Resistance knob not properly engaged | Ensure the resistance knob is fully functional and not obstructed. Contact support if issue persists. |
| LCD monitor not displaying data | Loose cable connection; dead batteries | Check that all sensor cables are securely connected; replace batteries in the LCD monitor. |
| Difficulty connecting to app via Bluetooth | Bluetooth not enabled; app issues; interference | Ensure Bluetooth is on your device; restart the app and bike; try connecting in a different location to avoid interference. |
If the problem persists after attempting these solutions, please contact CHAOKE customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 508A |
| Brand | CHAOKE |
| Resistance Mechanism | Magnetic |
| Resistance Levels | 0-100% Continuously Adjustable |
| Maximum Weight Capacity | 160 Kilograms (352 lbs) |
| Noise Level | Under 5 dB |
| Material | Alloy Steel (3mm thick frame) |
| Product Dimensions (L x W x H) | 109 x 52 x 122 cm |
| Product Weight | 26 Kilograms |
| Recommended User Height | 140 - 190 cm |
| Special Features | Padded Seat, Speedometer, App Connectivity, Dual Function, Adjustable Resistance Level |
| Power Source | Battery Powered (for LCD) |
9. Warranty and Support
CHAOKE offers a 5-year warranty on this professional exercise bike, ensuring peace of mind with your purchase. We are committed to providing excellent customer service and support.
If you have any questions, require assistance with assembly, operation, or troubleshooting, please do not hesitate to contact our professional customer service team. Our technicians are also available to provide professional video support if needed.
CHAOKE is your reliable partner on your fitness journey.




