1. Introduction
This manual provides essential information for the safe and efficient operation, assembly, and maintenance of your new RCB G5 Electric Bike. Please read this manual thoroughly before your first ride and keep it for future reference. The RCB G5 is a 27.5-inch electric mountain bike designed for various terrains, featuring a powerful motor, removable battery, and smart functionalities like APP and NFC unlocking.
Figure 1: RCB G5 Electric Bike Overview
2. Safety Information
⚠️ Disclaimer: Please mind potential fire risk and strictly follow the instruction manual for charging and storage. While using the product, please wear protective equipment and fully comply with the applicable law and regulations.
- Always wear a helmet and appropriate safety gear when riding.
- Familiarize yourself with local traffic laws and regulations for electric bikes.
- Perform a pre-ride safety check before each use (brakes, tires, battery, lights).
- Do not ride under the influence of alcohol or drugs.
- Avoid riding in adverse weather conditions (heavy rain, snow, ice) or poor visibility.
- Ensure the battery is securely locked in place before riding.
- Do not modify the bike's electrical system or motor.
3. Package Contents
Your RCB G5 Electric Bike package typically includes the following components:
- RCB G5 Electric Bike (partially assembled)
- Removable Lithium Battery
- Battery Charger
- User Manual
- Assembly Tools
- NFC Key Card
- Pedals
- Front Wheel
- Handlebar
- Seat Post and Saddle
Please check all items upon receipt. If any parts are missing or damaged, contact customer support immediately.
4. Assembly and Setup
The RCB G5 Electric Bike comes partially assembled. Follow these general steps for final assembly. Detailed instructions are provided in the included assembly guide.
- Unpacking: Carefully remove all components from the packaging.
- Front Wheel Installation: Attach the front wheel to the fork, ensuring the disc brake rotor is correctly aligned with the caliper.
- Handlebar Installation: Secure the handlebar to the stem, adjusting for comfortable riding position.
- Seat Post and Saddle: Insert the seat post with the saddle into the frame and adjust the height. Ensure the quick-release lever is securely tightened.
- Pedal Installation: Attach the pedals. Note that pedals are typically marked 'L' for left and 'R' for right, and the left pedal has a reverse thread.
- Battery Installation: Insert the removable battery into its compartment and ensure it is securely locked.
- Initial Charge: Fully charge the battery before your first ride.
- Pre-Ride Check: Before riding, check tire pressure, brake function, and ensure all bolts and quick releases are tightened.
5. Operating Instructions
5.1 Battery Charging
The 36V 10.4Ah removable lithium battery charges fully in approximately 5.5-6.5 hours. Use only the provided charger. Connect the charger to the battery charging port, then plug it into a power outlet. The charger indicator light will show charging status (e.g., red for charging, green for fully charged).
Figure 2: Removable Lithium Battery Details
5.2 Power On/Off and Unlocking
The RCB G5 supports APP and NFC unlocking for enhanced security and convenience.
- NFC Unlocking: Tap your NFC key card to the designated area on the display to unlock and power on the bike.
- APP Control: Download the RCB APP to your smartphone. Pair your bike with the app to control various functions and unlock the bike.
- Power On: After unlocking, press and hold the power button on the display.
- Power Off: Press and hold the power button on the display until the screen turns off.
5.3 Smart LCD Display
The intelligent LCD display provides real-time information and allows control over bike settings.
Figure 3: Smart LCD Display and Controls
- Information Displayed: Battery charge level, real-time speed, total mileage, current gear, and more.
- Assist Levels: Use the controls to switch between different pedal assist levels.
- Walk Mode: Activate walk mode for easier maneuvering when pushing the bike.
- Screen Timeout: Adjust screen timeout settings.
- Cruise Control: Engage cruise control for consistent speed on flat terrain.
5.4 Riding Modes
The RCB G5 offers three riding modes to suit your preference and terrain:
Figure 4: RCB G5 Riding Modes
- Pedal Assist Mode: The motor provides assistance as you pedal, making riding easier, especially on inclines or for longer distances. Adjust assist levels via the LCD.
- Normal Bicycle Mode: Ride the bike like a traditional bicycle, using only pedal power. The motor provides no assistance.
- Walk Mode: Provides a low level of motor assistance to help you push the bike when walking alongside it.
5.5 Gear Shifting and Braking
- 21-Speed Gearbox: The bike is equipped with a 21-speed gearbox, typically comprising a multi-speed front chainring and a 7-speed Shimano rear shifter, allowing you to adapt to various terrains and riding conditions. Shift gears smoothly by pedaling lightly while operating the shifters.
- Dual Disc Brakes: The front and rear disc brakes provide reliable stopping power. Apply both brakes simultaneously for effective and safe braking.
Figure 5: Front Suspension and Disc Brakes
5.6 Suspension System
The RCB G5 features a full suspension system, including a front hydraulic shock absorber and saddle seat absorption, for a comfortable ride on varied terrain. The front fork also includes a lockout mechanism.
Figure 6: Full Suspension System Details
6. Maintenance
Regular maintenance ensures the longevity and safe operation of your RCB G5 Electric Bike.
- Battery Care:
- Charge the battery regularly, even if not in use, to maintain its health.
- Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
- Do not fully discharge the battery frequently.
- Tires:
- Check tire pressure before each ride and inflate to the recommended PSI.
- Inspect tires for wear, cuts, or punctures regularly.
- Brakes:
- Regularly check brake pads for wear and replace them when necessary.
- Ensure brake levers are responsive and provide adequate stopping power.
- Keep disc rotors clean and free from oil or grease.
- Chain and Drivetrain:
- Keep the chain clean and lubricated for smooth gear changes and to prevent wear.
- Inspect gears and derailleur for proper alignment and function.
- General Cleaning:
- Clean the bike regularly with a damp cloth. Avoid high-pressure washing directly on electrical components.
- Do not use harsh chemicals that could damage paint or components.
- Fasteners: Periodically check all bolts, nuts, and quick releases to ensure they are securely tightened.
7. Troubleshooting
Here are some common issues and their potential solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bike does not power on | Battery not charged, battery not properly installed, NFC key not detected. | Charge battery, ensure battery is locked in place, re-tap NFC key or use APP. |
| Motor not assisting | Low battery, assist level set to zero, sensor issue. | Charge battery, increase assist level on LCD, check for sensor obstructions. |
| Brakes feel weak | Worn brake pads, loose cable, air in hydraulic system (if applicable). | Inspect/replace brake pads, adjust cable tension, consult a bike mechanic for hydraulic issues. |
| Gears not shifting smoothly | Dirty/dry chain, misaligned derailleur, bent hanger. | Clean and lubricate chain, adjust derailleur, consult a bike mechanic. |
For persistent issues or problems not listed here, please contact customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Brand Name | RCB |
| Model Number | G5 |
| Motor Wattage | 200 - 250W (Peak 250W) |
| Max Speed | <25km/h |
| Battery Type | 36V 10.4Ah Lithium Battery (Removable) |
| Range per Power | 31 - 60 km |
| Charging Time | 5.5 - 6.5 hours |
| Waterproof Grade | IP54 |
| Frame Material | Aluminum |
| Wheel Size | 27.5" |
| Tire Size | 27.5" x 2.1" |
| Gearbox | 21-Speed (Shimano) |
| Brakes | Front and Rear Disc Brakes |
| Suspension | Full Suspension (Front Hydraulic Shock Absorber, Saddle Seat Absorption) |
| Max Load | 120 KG |
| Net Weight | 25.5 KG |
| Maximum Climbing Angle | 25° |
| Rated Passenger Capacity | One Seat |
| Folded | No |
| Certification | CE |
Figure 7: Bike Dimensions and Load Capacity
Figure 8: Motor Performance Details
9. User Tips
- Regular Checks: Make it a habit to quickly check tire pressure, brake function, and battery level before every ride.
- Gear Shifting: For smoother and more efficient gear changes, ease off the pedals slightly while shifting.
- Battery Range: The actual range of your e-bike can vary based on terrain, rider weight, assist level used, and weather conditions. Plan your rides accordingly.
- Security: Always use a reliable lock when leaving your bike unattended, even for short periods. Utilize the NFC and APP unlocking features for added security.
- Riding Posture: Adjust the seat and handlebar height to achieve a comfortable and efficient riding posture, reducing fatigue on longer rides.
10. Warranty and Support
RCB is committed to providing reliable after-sales service. Your RCB G5 Electric Bike comes with a warranty covering manufacturing defects. For specific warranty terms and conditions, please refer to the documentation included with your purchase or contact customer support.
If you have any questions, require assistance with assembly, operation, or encounter any issues with your bike, please do not hesitate to contact our customer support team. We are available to provide 24-hour satisfactory service.
For return and refund policy details, please refer to the seller's policy page.
