Introduction
Welcome to the world of electric cycling with your new Vivi Z8 Folding Electric Bicycle. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your ebike. Please read it thoroughly before your first ride to ensure a safe and enjoyable experience.
Figure 1: Vivi Z8 Folding Electric Bicycle (Unfolded and Folded)
The Vivi Z8 is a versatile folding electric bicycle designed for adults and teens, offering a convenient and efficient mode of transportation. It features a 350W motor, a 48V 20Ah removable lithium-ion battery, and a single-speed Shimano gear system, providing a top speed of 20 Mph.
Safety Guidelines
Your safety is paramount. Adhere to the following guidelines to prevent accidents and ensure a safe riding experience:
- Always wear a certified helmet that fits properly.
- Familiarize yourself with local traffic laws and regulations regarding electric bicycles.
- Perform a pre-ride inspection before each use, checking brakes, tires, battery level, and all quick-release mechanisms.
- Do not ride under the influence of alcohol or drugs.
- Be aware of your surroundings and ride defensively, anticipating potential hazards.
- Avoid riding in adverse weather conditions such as heavy rain, snow, or ice.
- Ensure proper lighting is used when riding at dawn, dusk, or night.
- Do not exceed the maximum weight recommendation of 220 pounds.
Components Overview
Understand the key components of your Vivi Z8 Ebike:
- Frame: Lightweight and durable aluminum folding frame.
- Motor: 350W powerful brushless motor, providing efficient propulsion.
- Battery: 48V 20Ah removable Lithium-Ion battery, integrated into the frame for protection.
- Brakes: Front and rear disc brakes for reliable stopping power.
- Suspension: Features both front and rear shock absorption for a smoother ride.
- Handlebars: Adjustable handlebars with an integrated LED display for controls and information.
- Seat: Adjustable seat for rider comfort. Includes a rear rack for additional carrying capacity.
- Pedals: Standard pedals for manual pedaling.
Figure 2: Removable 48V 20Ah Lithium-Ion Battery
The removable battery provides up to 65 miles of pedal assist or 45 miles of pure electric drive on a single charge, with a charging time of 4-6 hours.
Figure 3: 350W Brushless Motor
The 350W brushless motor delivers a top speed of 20 Mph and 65NM of max motor torque, ensuring efficient and powerful assistance.
Figure 4: Front and Rear Shock Absorption
The dual suspension system enhances ride comfort by absorbing shocks from uneven terrain.
Setup
Your Vivi Z8 Ebike comes mostly pre-assembled. Follow these steps for final setup:
- Unfolding the Ebike:
- Place the folded bike on a flat surface.
- Turn on the safety lock and open the latch on the main frame hinge.
- Carefully unfold the frame until it locks into place. Secure the latch and safety lock.
- Unfold the handlebars and secure the stem latch.
- Handlebar Adjustment: Adjust the handlebar height to a comfortable riding position and secure it firmly.
- Seat Adjustment: Adjust the seat post height so your feet can comfortably touch the ground when stopped. Secure the quick-release lever.
- Pedal Installation: Attach the pedals to the crank arms. Note that pedals are typically marked 'L' for left and 'R' for right. Ensure they are tightened securely.
- Initial Battery Charge: Before your first ride, fully charge the battery. Connect the charger to the battery port and then to a power outlet. The indicator light on the charger will change when fully charged.
Figure 5: Folding Mechanism
The Vivi Z8 is designed for easy folding, making it convenient for carrying and storage. Dimensions when folded are approximately 28.7 inches by 22.4 inches.
Operating Instructions
Learn how to operate your Vivi Z8 Ebike effectively:
- Power On/Off: Press and hold the power button on the LED display unit located on the handlebars to turn the bike on or off.
- LED Display: The display shows battery level, current speed, and selected riding mode.
- Riding Modes: Your Vivi Z8 offers three riding modes:
- Regular Pedal: Ride the bike like a traditional bicycle without electric assistance.
- Pedal Assist: The motor provides assistance as you pedal. Use the mode buttons on the display to select low, mid, or high levels of assistance.
- Electric Throttle: Engage the throttle (typically a twist grip or thumb lever) for pure electric power without pedaling.
- Braking: Use the brake levers on the handlebars to engage the front and rear disc brakes. Apply both brakes simultaneously for optimal stopping power.
Figure 6: Three Riding Modes
The handlebar controls allow for easy switching between modes and monitoring of battery and speed.
Maintenance
Regular maintenance ensures the longevity and performance of your ebike:
- Battery Care:
- Charge the battery regularly, even if not in use, to maintain its health.
- Avoid completely draining the battery.
- Store the battery in a cool, dry place away from direct sunlight and extreme temperatures.
- Tire Pressure: Check tire pressure before each ride. Maintain the recommended PSI (usually found on the tire sidewall) for optimal performance and safety.
- Brake Inspection: Regularly inspect brake pads for wear and ensure brake levers provide firm and responsive braking. Adjust or replace as needed.
- Chain Lubrication: Keep the chain clean and lubricated to ensure smooth operation and prevent rust.
- General Cleaning: Clean your ebike with a damp cloth. Avoid using high-pressure water jets directly on electrical components.
- Fastener Checks: Periodically check all bolts, nuts, and quick-release levers to ensure they are securely tightened.
Troubleshooting
Here are solutions to common issues you might encounter:
| Problem | Possible Cause | Solution |
|---|---|---|
| Ebike does not power on. | Battery not charged, battery not properly seated, power button not pressed correctly, fuse issue. | Ensure battery is fully charged and securely installed. Press and hold the power button. Check battery fuse if accessible. |
| Motor not providing assistance. | Low battery, wrong riding mode selected, brake levers engaged. | Charge battery. Switch to Pedal Assist or Electric Throttle mode. Ensure brake levers are fully released. |
| Battery not charging. | Charger not connected properly, faulty charger, faulty battery. | Verify charger connections to battery and power outlet. Try a different outlet. If issue persists, contact customer support. |
| Brakes feel weak or spongy. | Worn brake pads, loose brake cable, air in hydraulic system (if applicable). | Inspect brake pads for wear and replace if necessary. Adjust brake cable tension. For hydraulic brakes, professional service may be required. |
Specifications
| Feature | Detail |
|---|---|
| Bike Type | Electric Bike |
| Model Name | VIVI-Z8 |
| Age Range (Description) | Adult |
| Brand | Vivi |
| Number of Speeds | 1 (Single Speed Drivetrain) |
| Wheel Size | 14 Inches |
| Frame Material | Aluminum |
| Suspension Type | Rear, Front |
| Included Components | Folding bike, seat, pedals, handlebars, front fork, rear rack |
| Brake Style | Disc |
| Item Weight | 57 Pounds |
| Power Source | Electric motor (rechargeable battery) |
| Wattage | 350W |
| Lithium Battery Energy Content | 230.4 Watt Hours (48V 20Ah) |
| Maximum Weight Recommendation | 220 Pounds |
| Item Dimensions LxWxH (Unfolded) | 50.4 x 9.4 x 38.2 inches |
| Assembly Required | No (Minor assembly required) |
| UPC | 762053248999 |
Figure 7: Product Dimensions (Unfolded)
The ebike measures approximately 51.2 inches in length and 40.9 inches in height when unfolded, with an adjustable seat.
Warranty and Support
The Vivi Z8 Folding Electric Bicycle comes with a limited warranty. For specific details regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your product or contact Vivi customer support.
For technical assistance, parts, or any inquiries, please contact Vivi customer service. Contact information can typically be found on the product packaging or the official Vivi website.
