1. Introduction
The ROCKBROS GPS Bike Computer G1 is a compact and accurate device designed to track essential cycling data. It utilizes GPS for precise positioning and provides real-time information such as speed, distance, time, and altitude. This manual provides detailed instructions for setting up, operating, and maintaining your bike computer.
Image 1.1: The ROCKBROS GPS Bike Computer G1 shown with its included handlebar mount.
2. Package Contents
Verify that all the following items are included in your package:
- ROCKBROS GPS Bike Computer G1 Unit
- Standard Handlebar Mount
- Out-front Bike Computer Mount
- Rubber Bands for Standard Mount (various sizes)
- Non-slip Pads (6.5mm, 2mm)
- M3, M4, M5 Screws
- 2mm and 3mm Allen Wrenches
- USB Charging Cable
- User Manual
Image 2.1: Display of included accessories, such as the bike computer mount, base for Garmin, adapter for GoPro, non-slip pads, screws, and Allen wrenches.
3. Device Overview and Display
The G1 bike computer features a 2-inch FSTN display, designed for clear visibility in various lighting conditions. The device has two buttons on the side for navigation and settings.
3.1 Display Elements
The display shows various cycling metrics. The main screen typically shows current speed, cycling time, and cycling distance. Other screens can be accessed to view additional data.
- NOW: Current Speed
- MAX: Maximum Speed
- AVG: Average Speed
- TIME: Cycling Time
- DST: Cycling Distance
- TOT: Total Cycling Time
- ODO: Total Mileage of Cycling (Odometer)
- RTM: Real-Time Clock
- ALT: Current Altitude
Image 3.1: Illustration of the G1 display, highlighting current speed, cycling time, cycling distance, total cycling time, total mileage, clock, and altitude.
4. Charging the Device
The bike computer is equipped with a 600mAH battery, providing over 20 hours of continuous operation. To charge the device:
- Locate the charging port on the device.
- Connect the provided USB charging cable to the device and a power source (e.g., USB wall adapter, computer USB port).
- The battery indicator on the screen will show charging status.
- A full charge typically takes a few hours.
Image 4.1: The G1 bike computer being charged via its USB port.
5. Installation
The ROCKBROS GPS Bike Computer G1 includes two types of mounts for versatile installation on various bicycle handlebars.
5.1 Standard Handlebar Mount Installation
This method uses rubber bands for quick and easy attachment.
- Reattach the bike computer base to the rubber ring.
- Place the holder on the desired section of the handlebar or stem.
- Use two rubber bands to cross and secure the base firmly.
- Ensure the base is stable and does not rotate.
- Rotate the bike computer onto the fixed base until it clicks into place.
Image 5.1: Visual instructions for Mounting Method A, showing the use of rubber bands to secure the computer base to the handlebar.
5.2 Out-front Bike Computer Mount Installation
This mount provides a more rigid and aerodynamic position for the computer.
- Select appropriate non-slip pads (6.5mm or 2mm) based on your handlebar diameter.
- Position the out-front mount on your handlebar.
- Secure the mount using the provided screws and Allen wrenches. Ensure it is tightened securely to prevent movement.
- Rotate the bike computer onto the mount until it clicks into place.
Image 5.2: The G1 bike computer installed using both the standard mount (left) and the out-front mount (right).
6. Operating Instructions
6.1 Power On/Off
- To power on: Press and hold the power button (usually on the side) until the screen illuminates.
- To power off: Press and hold the power button until the device shuts down.
6.2 GPS Acquisition
Upon powering on, the device will automatically search for GPS signals. Ensure you are in an open area for faster acquisition. The GPS icon on the display will indicate signal strength.
Image 6.1: The G1 bike computer demonstrating stable and accurate GPS signal acquisition, supporting multiple satellite systems.
6.3 Navigating Display Modes
Use the side buttons to cycle through different display screens, showing various data points such as current speed, average speed, maximum speed, cycling time, distance, total mileage, clock, and altitude.
6.4 Automatic Sleep Mode
The device automatically enters sleep mode after 10 minutes of inactivity to conserve battery. When reactivated, it will display your last cycling data.
7. Settings
The device allows for customization of certain parameters, such as units of measurement.
7.1 Changing Units (Metric/Imperial)
The G1 bike computer supports switching between metric (km/h, meters) and imperial (mph, feet) units. Refer to the on-screen prompts or specific button combinations to access the unit settings, typically indicated by a 'C' followed by a number.
Image 7.1: Display showing 'C4' setting.
Image 7.2: Display showing 'C6' setting, likely for unit selection (MPH/FT).
Image 7.3: Display showing 'C7' setting.
Image 7.4: Display showing 'C8' setting.
8. Water Resistance
The ROCKBROS GPS Bike Computer G1 is rated IPX6 waterproof. This means it is protected against high-pressure water jets from any direction. It can withstand rain and splashes, making it suitable for use in various weather conditions. However, it is not designed for submersion.
Image 8.1: The G1 bike computer shown with water droplets, indicating its IPX6 waterproof capability.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | ROCKBROS |
| Model Name | G1 |
| Color | Black |
| Product Dimensions (LxWxH) | 2.16" x 2.16" x 0.86" |
| Item Weight | 0.2 Kilograms |
| Screen Size | 2 Inches |
| Sensor Type | GPS Sensor |
| Battery Cell Composition | Lithium Ion |
| International Protection Rating | IPX6 |
| Mounting Type | Handlebar Mount |
| Human Interface Input | Buttons |
| Material | ABS |
| Sport Type | Cycling |
10. Troubleshooting
If you encounter issues with your ROCKBROS GPS Bike Computer G1, consider the following common solutions:
- Device not powering on: Ensure the device is fully charged. Connect it to a power source and allow it to charge for at least 30 minutes before attempting to power it on again.
- No GPS signal: Move to an open outdoor area away from tall buildings or dense tree cover. Allow a few minutes for the device to acquire a signal.
- Inaccurate speed/distance: Ensure the GPS signal is strong. If the issue persists, try resetting the device (refer to the manufacturer's website for specific reset procedures if not detailed in this manual).
- Buttons unresponsive: Ensure the buttons are pressed firmly. If the device has been exposed to moisture, allow it to dry completely.
- Display issues: Check for physical damage. If the screen is dim, ensure the backlight is enabled and the battery is charged.
11. Maintenance
To ensure the longevity and optimal performance of your bike computer, follow these maintenance guidelines:
- Cleaning: Wipe the device with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials, which can damage the screen or casing.
- Storage: Store the device in a cool, dry place when not in use. Avoid extreme temperatures.
- Charging: Charge the battery regularly, even if the device is not used frequently, to maintain battery health. Avoid completely draining the battery for extended periods.
- Mounts: Periodically check the mounts for tightness and wear. Replace any worn-out rubber bands or damaged components.
12. Warranty and Support
The ROCKBROS GPS Bike Computer G1 comes with a 1-year warranty. For any issues or support needs, please contact ROCKBROS customer service.
ROCKBROS offers professional 24/7 customer service. If you encounter any problems or have questions, please do not hesitate to contact them for assistance.