Introduction
Welcome to the Hidoes C8 Electric Bike user manual. This guide provides essential information for the safe operation, maintenance, and troubleshooting of your new electric bicycle. Please read this manual thoroughly before your first ride to ensure optimal performance and safety.
Safety Information
Your safety is paramount. Always wear a helmet and appropriate safety gear when riding. Adhere to all local traffic laws and regulations. Perform pre-ride checks, including brake function, tire pressure, and battery charge, before each use.
- Braking: The C8 is equipped with dual front and rear disc brakes. Familiarize yourself with their operation and practice braking in a safe area.
- Tires: Ensure tires are properly inflated to the recommended pressure. The 20 x 4 inch fat tires provide enhanced stability and traction, but proper inflation is crucial for safety and performance.
- Visibility: Use lights and reflective gear, especially when riding in low-light conditions.
- Weight Limit: Do not exceed the maximum load capacity of 330 lbs (150 kg).
Product Overview
The Hidoes C8 Electric Bike features a robust design with powerful components for a versatile riding experience.

Figure 1: Overall view of the Hidoes C8 Electric Bike, showcasing its yellow frame, fat tires, and classic design.

Figure 2: The Hidoes C8 highlighting its 20-inch fat tires and the 48V/17Ah battery, capable of 45-55km range.

Figure 3: Detailed view of the 750W integrated wheel motor, illustrating its power and climbing angle capabilities.

Figure 4: The removable 48V 17Ah battery with its integrated lock mechanism, ensuring security and ease of charging.

Figure 5: The G518 smart meter (LCD display) showing speed, mileage, battery level, and riding data.

Figure 6: The integrated brown leather car bag, providing convenient storage for small items.

Figure 7: Dimensional overview of the Hidoes C8 Electric Bike, including net weight and maximum load capacity.
Setup
The Hidoes C8 Electric Bike arrives approximately 85% assembled. Detailed instructions and necessary installation tools are included in the package to assist you with the final assembly steps. Please follow the provided assembly guide carefully to ensure all components are securely attached before your first ride.
- Unpack all components and verify against the packing list.
- Attach the front wheel, handlebars, pedals, and seat post as per the assembly instructions.
- Ensure all bolts and quick releases are tightened to the recommended torque specifications.
- Charge the battery fully before initial use.
Operating Instructions
The Hidoes C8 offers three distinct riding modes to suit various preferences and terrains:
- Pure Electric Mode: Engage the throttle for motor-only propulsion.
- Pedal-Assist Mode (PAS): The motor provides assistance as you pedal, with adjustable levels of assistance. This mode offers the longest range.
- Bike Mode: Ride as a traditional bicycle without any motor assistance.
The bike features a Shimano 7-speed transmission system, allowing you to adjust gears for different inclines and speeds. The factory speed limit is 28 MPH (45 km/h), though actual speed may vary based on rider weight and road conditions.
LCD Display (G518 Smart Meter)
The integrated LCD display provides real-time information:
- Current Speed (km/h or mph)
- Total Mileage (Odometer)
- Remaining Battery Power
- PAS Level Indicator
- Riding Data and History
Use the gear up/down buttons on the handlebars to adjust the PAS level. The horn and light buttons are also conveniently located on the handlebars for easy access.
Battery Information
The Hidoes C8 is powered by a 48V 17Ah (816Wh) removable lithium-ion battery. This high-capacity battery provides a riding range of up to 55+ miles in Pedal-Assist Mode.
- Charging: The battery can be charged on or off the bike. Connect the charger to a standard power outlet and then to the battery charging port. A full charge typically takes 6-8 hours.
- Removal: To remove the battery, unlock it using the provided key and slide it out. This feature allows for convenient off-bike charging and helps prevent theft.
- Storage: Store the battery in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, charge the battery to 50-70% every 2-3 months.
Maintenance
Regular maintenance ensures the longevity and safe operation of your Hidoes C8 Electric Bike.
- Cleaning: Clean the bike regularly with a damp cloth. Avoid high-pressure washing directly on electrical components.
- Brakes: Inspect brake pads and rotors for wear. Adjust brake cables as needed to ensure responsive braking.
- Tires: Check tire pressure before each ride. Inspect tires for cuts, punctures, or excessive wear.
- Chain: Keep the chain clean and lubricated to ensure smooth gear changes and prevent rust.
- Fasteners: Periodically check all bolts and fasteners for tightness, especially after the first few rides.
- Electrical Components: Ensure all electrical connections are secure and free from corrosion. Do not attempt to open the motor or battery casing.
Troubleshooting
If you encounter issues with your Hidoes C8 Electric Bike, refer to the following common troubleshooting tips:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bike not powering on | Battery not charged, battery not properly seated, power cable loose. | Ensure battery is fully charged and securely inserted. Check all electrical connections. |
| Motor not assisting | PAS level too low, brake levers engaged, motor connection loose. | Increase PAS level on the display. Ensure brake levers are fully released. Check motor cable connection. |
| Short battery range | Under-inflated tires, riding uphill frequently, heavy load, cold weather. | Maintain proper tire pressure. Use lower PAS levels or pedal more. Consider environmental factors. |
| Brakes squealing or ineffective | Worn brake pads, dirty rotors, misaligned calipers. | Inspect and clean rotors. Replace worn brake pads. Adjust brake calipers if necessary. |
For issues not covered here, or if troubleshooting steps do not resolve the problem, please contact Hidoes customer support.
Specifications
| Feature | Detail |
|---|---|
| Model Name | HD-C8 |
| Motor Power | 750W Brushless Toothed Motor |
| Battery | 48V 17Ah (816Wh) Removable Lithium-ion |
| Max Speed | 28 MPH (45 km/h) |
| Riding Range | 55+ Miles (PAS Mode) |
| Max Load Capacity | 330 lbs (150 kg) |
| Charging Time | 6-8 Hours |
| Transmission Gears | Shimano 7-Speeds |
| Brake System | Front & Rear Disc Brakes |
| Wheel Size | 20 x 4 inches Fat Tires |
| Frame Material | Alloy Steel |
| Suspension Type | Dual (Front & Under-seat) |
| Item Weight | 81.6 Pounds (37 kg) |
| Included Components | Riding Bag |
Warranty and Support
Hidoes provides a 2-year manufacturer's warranty for the C8 Electric Bike. Specific warranty periods may apply to different bicycle parts (e.g., half or 1 year for certain components as per product information).
For any damage, failure, or support inquiries, please contact Hidoes customer service. When reaching out, please provide your order details and relevant photos or videos of the issue to facilitate a quicker resolution.
You can typically find contact information on the Hidoes official website or through your purchase platform.