1. Safety Information
Before operating your HiKNiGHT H6 Pro electric bike, please read this manual thoroughly and retain it for future reference. Always prioritize safety to prevent accidents and injuries.
- Wear a Helmet: Always wear an approved bicycle helmet and appropriate safety gear when riding.
- Check Local Regulations: Electric bike laws vary by region. Ensure your use complies with all local traffic laws and regulations regarding electric bicycles.
- Pre-Ride Inspection: Before each ride, check tire pressure, brake functionality, battery charge level, and ensure all fasteners are secure.
- Visibility: Use the integrated headlight and taillight, especially during low-light conditions. Consider wearing reflective clothing.
- Weather Conditions: Exercise caution when riding in wet, icy, or slippery conditions. Reduce speed and increase braking distance.
- Battery Safety: Do not attempt to open or modify the battery pack. Charge the battery in a well-ventilated area away from flammable materials.
- Weight Limit: Do not exceed the maximum weight recommendation of 400 pounds.
2. Setup and Assembly
The HiKNiGHT H6 Pro electric bike arrives 95% pre-assembled. Follow these steps for final assembly and initial setup.
2.1 Unboxing and Initial Inspection
- Carefully remove the bike and all components from the packaging.
- Inspect for any visible damage during shipping. Contact customer support immediately if damage is found.
- Identify all included accessories: bike bag, lock, tire pump, phone holder, and tool kit.
Video: Unboxing of the HiKNiGHT H6 Pro Electric Bike. This video demonstrates the process of unboxing and initial inspection of your new electric bike.
2.2 Final Assembly Steps
Refer to the step-by-step video guide for detailed assembly instructions.
- Install the Front Wheel: Securely attach the front wheel to the fork. Ensure the brake rotor is correctly aligned with the caliper.
- Attach Handlebars: Mount the handlebars to the stem and tighten the bolts evenly. Adjust the angle for comfortable riding.
- Install Pedals: Note that pedals are left and right specific. Thread them carefully to avoid cross-threading.
- Install Seat Post and Saddle: Insert the seat post into the frame and adjust the saddle height for your comfort. Ensure the quick-release lever is securely closed.
- Install Rear Rack: Attach the rear rack using the provided hardware.
Video: Installation Guide for the HiKNiGHT H6 Pro. This video provides a visual guide for completing the assembly of your electric bike.
2.3 Battery Charging
The 52V 20Ah removable battery can be charged on or off the bike. A full charge typically takes 8-9 hours.
- Connect the charger to the battery charging port, then plug it into a power outlet.
- The charger indicator light will show charging status (usually red for charging, green for fully charged).
- Always use the original charger provided with your bike.

Image: The HiKNiGHT H6 Pro battery being charged, demonstrating the flexibility of charging on or off the bike.
3. Operating Instructions
Familiarize yourself with the controls and features of your HiKNiGHT H6 Pro for an optimal riding experience.
3.1 Power On/Off and Display
- Press and hold the power button on the handlebar control panel to turn the bike on or off.
- The colorful LCD display shows speed, battery level, pedal assist level, and other riding data.

Image: The colorful LCD display of the HiKNiGHT H6 Pro, providing essential riding information at a glance.
3.2 Riding Modes: Pedal Assist and Throttle
- Pedal Assist (PAS): Provides motor assistance as you pedal. Adjust the assist level using the control panel buttons.
- Throttle: Engage the throttle for power without pedaling. Use responsibly and be aware of your surroundings.
3.3 Dual Motor Operation
The H6 Pro features dual motors for enhanced power. You can switch between single and dual motor modes.
- New Version: Power on the e-bike, then press the power button twice to switch the drive mode.
- Old Version: Click the single-dual motor button to switch the drive mode.

Image: Illustration of the two different drive mode switching mechanisms found on the HiKNiGHT H6 Pro.

Image: The HiKNiGHT H6 Pro showcasing its 4000W dual motor system, designed for powerful acceleration and performance.
3.4 Gear Shifting
The bike is equipped with a 7-speed drivetrain. Use the thumb shifter to change gears according to terrain and desired speed.
- Shift to lower gears for climbing hills and higher gears for flat terrain or downhill riding.
- Avoid shifting gears while under heavy load or when stationary to prevent damage to the drivetrain.

Image: A detailed view of the Shimano 7-speed gear system on the rear wheel of the HiKNiGHT H6 Pro.
3.5 Braking System
The HiKNiGHT H6 Pro features dual hydraulic disc brakes for reliable stopping power.
- Apply both front and rear brakes simultaneously for effective and controlled stopping.
- Avoid sudden, hard braking, especially at high speeds or on loose surfaces.

Image: Safety features of the HiKNiGHT H6 Pro, including the bright headlight, turn signal taillight, and hydraulic disc brakes.
3.6 Riding on Various Terrains
The 24" x 4.0" fat tires and full suspension system provide stability and comfort across diverse terrains.
- Pavement/Roads: Use higher gears and lower pedal assist levels for efficient cruising.
- Gravel/Trails: Engage full suspension and use appropriate pedal assist for better control and comfort.
- Snow/Sand: The wide fat tires offer increased grip. Use lower speeds and maintain balance.

Image: A rider demonstrating the full suspension system of the HiKNiGHT H6 Pro on challenging terrain.
Video: HiKNiGHT H6 Pro Fat Tire Mountain E-Bike for Snow Riding. This video showcases the bike's performance in snowy conditions.
Video: HiKNiGHT Dual Motor Full Suspension Electric Bike. This video provides an overview of the bike's features and riding capabilities.
Video: HiKNiGHT H6 Pro Electric Bike. A brief demonstration of the HiKNiGHT H6 Pro in action.
4. Maintenance
Regular maintenance ensures the longevity and safe operation of your electric bike.
- Cleaning: Regularly clean your bike with a damp cloth. Avoid high-pressure washing directly on electrical components.
- Tire Pressure: Check tire pressure before each ride. Maintain recommended PSI for optimal performance and safety.
- Brake Inspection: Periodically check brake pads for wear and brake levers for proper tension. Replace worn brake pads promptly.
- Chain Lubrication: Keep the chain clean and lubricated to ensure smooth gear changes and prevent wear.
- Fastener Checks: Regularly inspect all bolts and nuts for tightness, especially on critical components like handlebars, wheels, and seat post.
- Battery Care: Store the battery in a cool, dry place. If storing for extended periods, charge it to 50-70% every few months.

Image: The accessory pack included with the HiKNiGHT H6 Pro, featuring tools and items for maintenance and convenience.
5. Troubleshooting
This section addresses common issues you might encounter with your HiKNiGHT H6 Pro electric bike.
| Problem | Possible Cause | Solution |
|---|---|---|
| Bike does not power on | Low battery, loose battery connection, faulty power button | Charge battery, ensure battery is securely seated, check power button connection. |
| Motor not assisting/engaging | Low battery, PAS level too low, brake lever sensor engaged, motor cable loose | Charge battery, increase PAS level, ensure brake levers are fully released, check motor cable connections. |
| Brakes feel weak or spongy | Worn brake pads, air in hydraulic system, misaligned caliper | Inspect/replace brake pads, bleed hydraulic system (professional service recommended), adjust caliper alignment. |
| Battery not charging | Charger not connected properly, faulty charger, damaged battery port | Ensure secure connection, try another outlet, contact support if charger or port is suspected faulty. |
| Unusual noises during riding | Loose components, chain issues, brake rub | Inspect all fasteners, clean and lubricate chain, adjust brake caliper. |
If you encounter issues not listed here or if the suggested solutions do not resolve the problem, please contact HiKNiGHT customer support.
6. Specifications
Key technical specifications for the HiKNiGHT H6 Pro Dual Motor Electric Bike.
| Feature | Detail |
|---|---|
| Model Name | H6 Pro E Bike |
| Bike Type | Electric Bicycle, Dual Motor E Bike, Fat Tire E-bike |
| Motor | Dual Brushless Motors, 4000W Peak Output |
| Battery | 52V 20Ah Removable Lithium Battery (1040 Wh) |
| Max Speed | Up to 40 MPH |
| Max Range | Up to 90 miles (with pedal assist) |
| Wheel Size | 24 inches |
| Tire Width | 4.0 inches (Fat Tire) |
| Frame Material | Aluminum |
| Suspension Type | Dual (Front and Rear) |
| Brake Style | Hydraulic Disc Brakes |
| Number of Speeds | 7-speed Shimano Drivetrain |
| Maximum Weight Recommendation | 400 pounds |
| Minimum User Height | 5.09 feet |
| Included Components | Bike Bag, Lock, Tire Pump, Phone Holder, Brake Pads |

Image: Detailed size specifications and recommended rider height for the HiKNiGHT H6 Pro electric bike.
7. Warranty and Support
HiKNiGHT is committed to providing quality products and customer service.
7.1 Warranty Coverage
- 1-Year Coverage: Motor, Battery, and Controller.
- 6-Month Coverage: Non-consumable parts.
- 1-Month Coverage: Wearable parts.
Please retain your original packaging for easier return, replacement, or after-sales service.
7.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact our customer support team.
- Email Support: service@hiknightebike.com
- Operating Hours: Monday to Friday, 9:00 AM to 9:00 PM (Time Zone not specified, assume PST/EST based on Amazon.com)


