1. Introduction
Thank you for choosing the NEWBOLER Wireless GPS Bicycle Computer. This device is designed to provide essential cycling data, including speed, distance, time, and altitude, with accurate multi-satellite positioning. Its user-friendly interface and robust design make it an ideal companion for your cycling adventures.
This manual provides detailed instructions for setting up, operating, and maintaining your bicycle computer. Please read it thoroughly before first use to ensure optimal performance and longevity of the device.
Video: Product overview and basic operation demonstration.
2. Package Contents
Please check the package for the following items:
- NEWBOLER GPS Bicycle Computer Unit
- USB Type-C Charging Cable
- Standard Bicycle Mount (with rubber rings)
- Optional Extension Brackets (may vary based on purchase)

3. Specifications
| Feature | Detail |
|---|---|
| Product Name | GPS Cycling Code Table |
| Model | ODO039 |
| Weight (single unit) | 77.2 g |
| Dimensions | 83mm (H) x 50mm (W) x 20mm (D) |
| Material | PC+ABS |
| Display Size | About 2.4 inches |
| Battery Capacity | 1200 mAh |
| Working Time | About 28 hours |
| Charging Interface | TYPE-C |
| Backlight | Manual backlight / Always-on option |
| Positioning System | 5-Star Positioning (Supports BeiDou, GPS, GLONASS, Galileo, QZSS) |
| Touch Screen | No |
| Navigation | No |


4. Setup
4.1 Mounting the Device
The bicycle computer can be mounted using the standard bracket or various extension brackets. Choose the appropriate bracket for your bicycle model.
4.1.1 Standard Bracket Fixation
- Assemble the bracket components.
- Fix the four corners of the rubber ring around the handlebar.
- Align the buckle of the computer with the bracket and rotate to lock it in place.

4.1.2 Round Handle Extension Bracket Fixation (Optional)
- Put the gasket onto the extension bracket.
- Install the bracket onto the handlebar.
- Tighten the screws to secure the bracket.
- Align the buckle of the computer with the bracket and rotate to lock it in place.
4.1.3 Vertical Extension Bracket Fixation (Optional)
- Assemble the bracket components and tighten the screws.
- Remove the stand screw from your bike's stem.
- Install the vertical extension bracket.
- Tighten the screws to secure the bracket.
- Align the buckle of the computer with the bracket and rotate to lock it in place.
4.1.4 Carbon Fiber Integrated Bracket Fixation (Optional)
- Assemble the bracket components and tighten the screws.
- Remove the screw from your bike's stem.
- Install the carbon fiber integrated bracket.
- Tighten the screw to secure the bracket.
- Align the buckle of the computer with the bracket and rotate to lock it in place.
For visual guidance on bracket installation, please refer to the product video in the Introduction section.
5. Operating Instructions
5.1 Power On/Off
- To power on/off the device, press and hold the power button for 2 seconds.
- The device will automatically shut down after 20 minutes of inactivity to conserve battery.
5.2 Display Functions
The device displays various cycling data. Use the arrow keys to navigate through the functions:
- Up Arrow Key (▲): Press to view sequentially: Total Distance (TOTAL DST), Total Time (TOTAL TIME), Current Time (CLOCK), Clock, Calories (CAL).
- Down Arrow Key (▼): Press to view sequentially: Current Speed (NOW.), Maximum Speed (MAX.), Average Speed (AVG.), Altitude (ALT).

5.3 Backlight Control
- To turn the backlight on/off, long press the left up button (▲) for 3 seconds.
- The backlight can be set to be always on, adapting to different lighting conditions and user preferences.

5.4 Satellite Positioning and Time Calibration
- The device supports 5-star positioning for faster and more accurate star search.
- A flashing satellite icon indicates the device is "searching for satellites".
- A stationary satellite icon indicates "successfully searching for satellites".
- For normal function, ensure you are in an open outdoor area to search for satellites.
- The device features automatic satellite time calibration.
6. Maintenance
6.1 Cleaning
- Wipe the device with a soft, damp cloth.
- Do not use abrasive cleaners or solvents.
6.2 Charging
- Charge the device using the provided USB Type-C cable.
- The battery capacity is 1200 mAh, providing approximately 28 hours of working time.

7. Troubleshooting
- No Satellite Signal: Ensure you are in an open outdoor area with a clear view of the sky. Obstructions like buildings or dense trees can interfere with signal acquisition.
- Device Not Turning On: Check the battery level. Connect the device to a power source using the Type-C cable and allow it to charge for at least 30 minutes before attempting to power it on again.
- Inaccurate Data: Ensure the device is securely mounted and has a clear line of sight to the sky for optimal GPS performance.
- No Mobile App Compatibility: This device operates independently and is not designed to connect with mobile applications for data synchronization or recording.
8. User Tips
- The device is simple and effective for tracking basic cycling metrics like distance, speed, and total travel.
- Its clear and precise display makes it easy to operate during rides.
- Always ensure you are in an open outdoor area for the best satellite connection.
- Remember that this device functions as a standalone unit and does not offer mobile app integration for data logging.
9. Warranty and Support
For any issues not covered in this manual, please contact the seller or manufacturer's customer support. Keep your purchase receipt as proof of purchase for warranty claims.
A user manual in PDF format is also available for download from the product page: User Manual (PDF).