1. Important 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 laws and regulations regarding electric bicycles.
- Perform a pre-ride safety check before each use.
- Do not operate the e-bike under the influence of alcohol or drugs.
- Avoid riding in adverse weather conditions (heavy rain, snow, ice).
- Ensure the battery is charged and stored according to instructions to prevent fire hazards.
2. Introduction to Your HITWAY BK20 E-Bike
The HITWAY BK20 is a versatile and robust electric bicycle designed for urban commuting and various terrains. Featuring a powerful motor, long-lasting battery, and a convenient foldable design, it offers a comfortable and efficient riding experience.
Figure 2.1: HITWAY BK20 Electric Bike (Black)
Figure 2.2: HITWAY BK20 Electric Bike (White)
Figure 2.3: HITWAY BK20 Electric Bike (Blue)
3. Setup and Assembly
Your HITWAY BK20 electric bike comes partially assembled. Follow these steps to complete the setup:
- Unpacking: Carefully remove all components from the packaging. Retain packaging for future transport or storage.
- Unfolding the Bike:
- Locate the main frame hinge and handlebar stem hinge.
- Release the safety latches and unfold the frame and handlebar stem until they lock into place. Ensure all quick releases and latches are securely fastened.
Figure 3.1: Foldable Design for easy transport and storage.
- Handlebar Adjustment: Adjust the handlebar height and angle for a comfortable riding position. Tighten all bolts securely.
- Seat Post Installation and Adjustment:
- Insert the seat post into the frame.
- Adjust the seat height so your feet can comfortably touch the ground when stopped.
- Secure the seat post with the quick-release lever.
- Pedal Installation: Identify the left (L) and right (R) pedals. Thread them into the crank arms carefully (left pedal counter-clockwise, right pedal clockwise) and tighten with a wrench.
- Battery Installation and Charging:
- The HITWAY BK20 features a built-in removable battery. Ensure it is securely seated in its compartment.
- Before first use, 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.
- Refer to the "Maintenance" section for detailed battery care instructions.
Figure 3.2: Built-in Removable Battery (48V 10.4Ah)
- Tire Inflation: Inflate tires to the recommended pressure (check sidewall of the tire for details).
- Brake Check: Test both front and rear brakes to ensure they are functioning correctly. Adjust if necessary.
4. Operating Your E-Bike
The HITWAY BK20 offers multiple riding modes for various preferences and conditions.
4.1 Riding Modes
Figure 4.1: Three Riding Modes
- 1. Walk Assist Mode: Provides low-speed assistance, useful when pushing the bike uphill or through crowded areas.
- 2. Normal Bike Mode: The e-bike functions as a traditional bicycle, with no motor assistance.
- 3. Pedal Assist Mode: The motor provides assistance as you pedal. The level of assistance can typically be adjusted via the control panel.
4.2 Control Panel
The control panel on your handlebar allows you to manage power, view speed, battery level, and select assist modes.
Figure 4.2: E-Bike Control Panel (integrated into mode diagram)
- Power Button: Press and hold to turn the e-bike system on/off.
- Mode/Assist Level Buttons (+/-): Use these buttons to cycle through assist levels or activate Walk Assist mode.
- Display: Shows current speed, battery charge, and selected assist level.
4.3 Shifting Gears
The HITWAY BK20 is equipped with 7-speed Shimano gears. Use the gear shifter on the handlebar to change gears according to terrain and desired pedaling effort.
4.4 Lighting System
The e-bike features STVZO-compliant headlights and taillights for enhanced visibility and safety, especially during low-light conditions. Operate them via the control panel or a dedicated switch.
Figure 4.3: Safety Features: Headlights, Taillights, and Front Suspension.
5. Maintenance and Care
Regular maintenance ensures the longevity and safe operation of your HITWAY BK20 e-bike.
- Cleaning: Clean the bike regularly with a damp cloth. Avoid high-pressure washing directly on electrical components.
- Battery Care:
- Charge the battery fully after each ride, or at least once a month if not in use.
- Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
- Do not expose the battery to water or fire.
- If storing for extended periods, charge the battery to 50-70% capacity.
- Tires: Check tire pressure before each ride. Inspect tires for wear, punctures, or damage.
- Brakes: Regularly check brake pads for wear and brake levers for proper function. Adjust or replace as needed.
- Chain and Gears: Keep the chain clean and lubricated. Inspect gears for wear and ensure smooth shifting.
- Bolts and Fasteners: Periodically check all bolts, nuts, and quick releases for tightness.
- Professional Service: For complex repairs or adjustments, consult a qualified bicycle mechanic.
6. Troubleshooting Guide
This section addresses common issues you might encounter with your e-bike.
| Problem | Possible Cause | Solution |
|---|---|---|
| E-bike does not power on | Battery is dead or not properly installed; loose electrical connection. | Charge the battery; ensure battery is fully seated; check all visible connections. |
| Motor not assisting | Battery low; assist level set to zero; brake levers engaged; sensor issue. | Charge battery; increase assist level; ensure brake levers are fully released; check for sensor damage. |
| Short range per charge | Under-inflated tires; riding in high assist mode; heavy load; cold weather. | Inflate tires to recommended pressure; use lower assist modes; reduce load; battery performance decreases in cold. |
| Brakes feel weak | Worn brake pads; loose brake cable; air in hydraulic system (if applicable). | Inspect and replace brake pads; adjust brake cable tension; consult a mechanic for hydraulic brake issues. |
| Gears not shifting smoothly | Dirty or unlubricated chain; misaligned derailleur; bent hanger. | Clean and lubricate chain; adjust derailleur; consult a mechanic for bent hanger. |
7. Technical Specifications
Figure 7.1: Motor and Performance Highlights
| Feature | Detail |
|---|---|
| Model Number | HITWAY BK20 |
| Motor | 250W Brushless Motor |
| Battery | 48V 10.4AH Lithium Battery (499.2Wh), Removable |
| Max Speed | <25 km/h |
| Range per Power | 35 - 90 km (depending on assist level, terrain, rider weight) |
| Wheel Size | 20 inches (20 x 4" Fat Tire) |
| Gears | 7-Speed Shimano Gears |
| Rated Passenger Capacity | Two Seat |
| Folded | Yes |
| Certification | CE |
| Climbing Angle | Up to 25 degrees |
| Suspension | Shock-absorbing front suspension |
| Lighting | STVZO-compliant headlights and taillights |
Figure 7.2: 20 x 4" Fat Tires for various terrains.
8. User Tips
- Pre-Ride Check: Always check tire pressure, brake function, and battery level before each ride.
- Gear and Assist Management: Utilize the 7-speed gears and pedal assist levels effectively to optimize battery life and riding comfort on different inclines and terrains.
- Folding for Storage: When folding the bike, ensure all latches are securely engaged to prevent accidental unfolding during transport or storage.
- Visibility: Always use the integrated headlights and taillights, especially during dawn, dusk, or night riding, to enhance your visibility to others.
- Battery Charging Habits: For optimal battery health, avoid completely draining the battery and try to charge it after each significant use.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact your retailer or the official HITWAY customer service. Keep your purchase receipt as proof of purchase.
Please refer to the specific warranty terms provided at the time of purchase for details on coverage and duration.
