1. Setup and Assembly
Your Vivi Electric Bike C26UL arrives approximately 90% pre-assembled. Follow these instructions carefully to complete the assembly and prepare your bike for its first ride.
1.1 Unpacking and Initial Inspection
- Carefully remove all components from the packaging.
- Inspect all parts for any signs of damage during transit. If any damage is found, contact customer support immediately.
- Ensure all listed components are present, including the main frame, wheels, handlebars, seat post, pedals, battery, charger, and tool kit.
1.2 Assembly Steps
- Install the Front Wheel: Securely attach the front wheel to the fork. Ensure the disc brake rotor is correctly aligned with the caliper.
- Attach the Handlebars: Mount the handlebars to the stem. Adjust the height and angle for a comfortable riding posture.
- Insert the Seat Post: Insert the seat post into the frame and adjust the seat height. Ensure the quick-release collar is tightened securely.
- Attach the Pedals: Identify the left (L) and right (R) pedals. Thread them into the crank arms. Note that the left pedal threads counter-clockwise. Tighten firmly.
- Install Fenders and Rear Rack: Attach the front and rear fenders and the rear luggage rack as per the included diagrams.
- Battery Installation: Ensure the battery is securely seated in its compartment.
Figure 1: Full view of the Vivi Electric Bike C26UL, illustrating its overall design and components for assembly reference.
Figure 2: Adjustable design features, including handlebar height (43.7-46.2 inches) and seat height (33.4-46.4 inches), allowing for an ergonomic and upright riding posture.
2. Operating Instructions
Familiarize yourself with the controls and riding modes of your Vivi Electric Bike C26UL for a safe and enjoyable experience.
2.1 Control Panel and Display
The control unit, located on the left handlebar, manages pedal assist levels and displays battery status. The LCD display provides real-time information about your ride.
- Power On/Off: Hold the power key to turn the bike on or off.
- Pedal Assist Levels: Use the '+' and '-' buttons to cycle through Low, Mid, and High pedal assist levels. You can also set it to off.
- Battery Indicator: The bottom indicator lights show the current battery level.
- Walk Mode: Press and hold the '-' key to activate walk mode, assisting when pushing the bike.
- Headlight Control: Hold the '+' key to turn the headlight on or off.
Video 1: Demonstration on how to use the meter and control panel for the Vivi Electric Bike, including power, pedal assist, and headlight functions.
Figure 3: The Smart LCD Display, which allows customization of ride performance with 5 speed assist levels and shows current speed, battery level, distance covered, and pedal assistance.
2.2 Riding Modes
The Vivi Electric Bike C26UL offers multiple riding modes to suit various preferences and terrains:
- Normal Bike Mode: Ride the bike like a traditional bicycle without electric assistance.
- Pedal Assist Mode: The motor provides assistance as you pedal, with adjustable levels (Low, Mid, High).
- Electric Mode: Use the throttle on the right handlebar for instant acceleration without pedaling.
- Cruise Control Mode: In electric mode, short press the switch key on the meter to activate constant speed cruise control. To deactivate, turn the throttle or lightly apply the brake.
Figure 4: Visual representation of the four riding modes: Normal Bike, Pedal-Assisted Bike Mode, Pure Electric Bike Mode, and Boost Mode, suitable for various environments like trails, streets, and villages.
2.3 Shifting Gears
The 7-speed transmission allows you to adjust your pedaling effort to match terrain and speed.
- Use the shifter on the handlebars to change gears.
- Shift to lower gears for climbing hills and higher gears for flat terrain or downhill riding.
Figure 5: Detailed view of the 7-speed smooth shifting system, highlighting the shifter, front derailleur, and rear derailleur for efficient gear changes.
3. Maintenance
Regular maintenance ensures the longevity and safe operation of your Vivi Electric Bike C26UL.
3.1 Battery Care
- The 48V 374.4Wh lithium-ion battery is removable for convenient charging.
- Charging time is typically 4-6 hours.
- Always use the original charger provided with the bike.
- Avoid completely draining the battery before recharging.
- Store the battery in a cool, dry place when not in use, and charge it periodically if stored for extended periods.
Figure 6: Illustration of the 374.4WH 48V Lithium-Ion Battery, highlighting its removable design, 4-6 hour charging time, and the ability to recharge anywhere for 25-50 miles of range.
3.2 Brakes and Tires
- Disc Brakes: Regularly check the dual disc brakes for wear and proper function. Ensure brake levers engage smoothly and provide adequate stopping power.
- Tires: Maintain proper tire pressure as indicated on the tire sidewall. Inspect tires for punctures or excessive wear. The bike is equipped with 26-inch puncture-resistant tires.
Figure 7: Close-up view of the dual disc brakes, emphasizing their role in providing reliable stopping power for enhanced safety.
3.3 General Maintenance
- Cleaning: Clean the bike regularly with a damp cloth. Avoid using high-pressure washers directly on electrical components.
- Chain: Keep the chain clean and lubricated to ensure smooth shifting and prevent rust.
- Fasteners: Periodically check all bolts and fasteners to ensure they are tight.
4. Troubleshooting
This section addresses common issues you might encounter with your Vivi Electric Bike C26UL.
4.1 Common Issues and Solutions
| Problem | Possible Cause | Solution |
|---|---|---|
| Bike does not power on | Battery not charged or not properly seated; power cable loose. | Ensure battery is fully charged and securely installed. Check all cable connections. |
| Motor not assisting | Pedal assist level set to off; sensor issue; motor connection. | Check pedal assist level on display. Inspect pedal assist sensor and motor connections. |
| Brakes feel weak or noisy | Worn brake pads; misaligned caliper; air in hydraulic system (if applicable). | Inspect brake pads for wear and replace if necessary. Adjust caliper alignment. For hydraulic issues, consult a professional. |
| Throttle malfunction | Loose connection; internal fault. | Check throttle wiring. If issue persists, contact customer support. |
For persistent issues or error codes displayed on the LCD, please refer to the contact information in the Support section for assistance.
5. Specifications
Detailed technical specifications for the Vivi Electric Bike C26UL.
| Feature | Specification |
|---|---|
| Model Name | C26UL |
| Bike Type | Electric Bike |
| Frame Material | Alloy Steel (Low Step-Thru) |
| Motor | 500W Brushless Motor (750W Peak) |
| Battery | 48V 374.4Wh Lithium Batteries, Removable |
| Charging Time | 4-6 hours |
| Recharge Mileage | 22-50 miles |
| Top Speed | 22 mph |
| Transmission | 7-Speed Shifter & Derailleur |
| Wheel Size | 26 Inches |
| Brake Style | Disc-Brake (Dual Disc Brake) |
| Suspension Type | Front Fork (High-strength) |
| Lights | Headlight & Rear Headlight |
| Fenders | Front And Rear (Aluminum) |
| Rear Rack | Yes (Rear Luggage Rack) |
| Kickstand | Rear |
| Item Weight | 61.7 Pounds |
| Maximum Weight Recommendation | 330.7 Pounds |
Figure 8: Illustration of the 500W powerful motor and efficient system, showing peak output of 800W, max speed of 20MPH, and ability to handle a 30-degree gradient.
6. Warranty and Support
Information regarding your product's warranty and how to obtain support.
6.1 Warranty Information
The Vivi Electric Bike C26UL comes with a one-year limited warranty covering the electric motor, battery, and charger from the date of purchase.
This warranty covers manufacturing defects and material faults under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
6.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact the seller from whom you purchased the product. When contacting support, please provide:
- Your order number or proof of purchase.
- A detailed description of the issue.
- Relevant photos or videos, if applicable.
Vivi is committed to providing reliable and efficient after-sales service. Recording your bike's serial number (located on the head tube) is recommended for identification purposes.
You can also refer to the official Vivi website or the user manual PDF for additional resources:
- Vivi Brand Store: Visit the Vivi Store on Amazon
- User Manual (PDF): Download PDF Manual
