Introduction
Thank you for choosing the KETELES KF9 Electric Bicycle. This manual provides essential information for the safe assembly, operation, and maintenance of your new electric bike. Please read it thoroughly before your first ride to ensure optimal performance and safety. The KF9 is a versatile 20-inch folding fat tire electric bicycle designed for various terrains, including snow and beach, offering a powerful and adaptable riding experience.
Image: The KETELES KF9 Electric Bicycle, showcasing its robust design and included dual battery option.
Setup and Assembly
Unboxing and Initial Inspection
Carefully remove all components from the packaging. Inspect for any damage that may have occurred during transit. Ensure all listed components are present:
- Electric bicycle
- Battery (48V18Ah)
- Charger
- Mudguard
- Luggage rack
- Installation tools
Assembly Instructions
While the bike comes largely pre-assembled, some components require attachment. Use the provided installation tools.
- Handlebar Installation: Secure the handlebar stem into the fork tube and tighten the bolts. Ensure the handlebar is straight and firm.
- Pedal Attachment: Identify the left (L) and right (R) pedals. Thread the pedals into the crank arms. Note that the left pedal has a reverse thread. Tighten securely.
- Front Wheel Installation: If not already attached, align the front wheel with the fork dropouts and secure it with the quick-release skewer or axle nuts. Ensure the disc brake rotor is correctly seated in the caliper.
- Seat Post and Saddle: Insert the seat post into the frame's seat tube. Adjust the saddle height for comfortable pedaling, ensuring your leg has a slight bend at the bottom of the pedal stroke. Tighten the quick-release lever or bolt.
- Mudguard and Luggage Rack: Attach the mudguards and luggage rack using the designated mounting points and screws.
Image: Detailed dimensions of the KETELES KF9 Electric Bicycle, including height, length, and tire thickness.
Battery Installation and Initial Charge
The KETELES KF9 comes with a removable 48V18Ah battery. Ensure the battery is fully charged before your first ride.
- Install Battery: Slide the battery into its designated slot on the frame until it clicks securely into place. Use the key to lock it if applicable.
- Charging: Connect the charger to the battery charging port and then to a standard power outlet. The charging indicator on the charger will show the charging status. A full charge typically takes 7-9 hours.
Image: Illustration of the Samsung battery cells used in the KETELES KF9, highlighting its capacity and charging cycles.
Folding and Unfolding
The KF9 features a convenient folding design for easy storage and transport.
- Folding: Locate the quick-release levers on the frame and handlebar stem. Open these levers and carefully fold the bike in half. Ensure all components are clear to prevent pinching.
- Unfolding: Reverse the folding process. Ensure all quick-release levers are securely closed and locked before riding.
Image: The KETELES KF9 Electric Bicycle in its folded state, showing its compact dimensions for storage.
Operating Instructions
Powering On/Off and Display
To power on the e-bike, press the 'M' key for 2-5 seconds until the instrument display lights up. The LCD display provides essential information:
- Speed Display: Shows current riding speed.
- Battery Indicator: Displays remaining battery charge.
- Mileage: Tracks total distance traveled.
- PAS Level: Indicates the current pedal assist level (0-5).
Image: Instructions on how to start the e-bike and an overview of the intelligent liquid crystal instrument display, showing speed, battery status, and mileage.
Riding Modes
The KETELES KF9 offers three riding modes:
- Human Riding Mode (Power Off Cycling): Ride the bike like a traditional bicycle without electric assistance.
- Fully Electric Mode: Twist the throttle to engage the motor and ride without pedaling.
- Pedal Assist Mode (PAS): The motor provides assistance as you pedal. Press the '+' button to increase the pedal assist level from 1 to 5. Level 5 provides maximum assistance.
Image: Visual representation of the three power modes (Human, Fully Electric, Pedal Assist) and the bike's ability to climb 35-degree gradients.
Gear Shifting
The bike is equipped with a 7-speed Shimano gear system. Use the Shimano TX50 shift lever to change gears. Shift gears smoothly to match terrain and speed, ensuring efficient pedaling and motor operation.
Image: Close-up of the Shimano TX50 shift lever, highlighting its ease of use for precise gear changes, alongside the intelligent liquid crystal instrument.
Braking System
The KF9 features high-performance mechanical disc brakes on both front and rear wheels. Apply both brakes simultaneously for effective and controlled stopping. Regularly check brake pad wear and cable tension.
Image: Close-up of the high-performance mechanical disc brake, emphasizing its ease of operation, high sensitivity, and long service life.
Maintenance
Battery Care
- Charge the battery regularly, even if not in use, to maintain its health.
- Avoid fully discharging the battery.
- Store the battery in a cool, dry place away from direct sunlight and extreme temperatures.
- Use only the original charger provided.
Tire Maintenance
The KF9 features 20-inch x 4.0 special fat tires, ideal for snow and off-road conditions.
- Regularly check tire pressure. Refer to the tire sidewall for recommended PSI.
- Inspect tires for cuts, punctures, or excessive wear before each ride.
Image: Close-up of the 20-inch x 4.0 special fat tire, highlighting its excellent grip and tear resistance for snow and off-road terrain.
General Cleaning and Lubrication
- Clean the bike regularly with a damp cloth. Avoid high-pressure washing directly on electrical components.
- Lubricate the chain and other moving parts periodically to ensure smooth operation and prevent rust.
- Check all bolts and fasteners for tightness before each ride.
Troubleshooting
This section addresses common issues you might encounter with your KETELES KF9 electric bicycle.
- Bike not powering on:
- Check if the battery is properly installed and locked.
- Ensure the battery is charged.
- Verify that the power button on the display is pressed correctly.
- Motor not assisting:
- Check the battery level.
- Ensure you are in Pedal Assist (PAS) mode and pedaling, or using the throttle in Fully Electric mode.
- Inspect for any loose cable connections to the motor or controller.
- Brakes feel spongy or ineffective:
- Check brake cable tension and adjust if necessary.
- Inspect brake pads for wear and replace if worn out.
- Ensure brake calipers are properly aligned with the disc rotors.
- Unusual noises during riding:
- Check for loose components, especially on the wheels, pedals, or chain.
- Lubricate the chain if it sounds dry.
- Inspect the spokes for any looseness.
For issues not covered here, please contact KETELES customer support.
Specifications
| Feature | Specification |
|---|---|
| Model | KF9 |
| Bicycle Type | Pedelec (Electric Bicycle) |
| Wheel Size | 20 inches |
| Tire Type | 20 x 4.0 Fat Tire (Snowmobile Special Tire) |
| Motor | High-speed brushless toothed motor (8-core waterproof wire) |
| Battery | 48V18Ah Samsung Battery Cells (Removable) |
| Pure Electric Range | Approx. 45-50 km (18AH) |
| Pedal Assist Range | Up to 100 km |
| Charging Time | 7-9 hours |
| Load Capacity | 200 KG |
| Frame Material | Aluminum Alloy |
| Gears | 7-speed (Shimano TZ50 rear dial) |
| Brakes | Mechanical Disc Brakes (Front & Rear) |
| Suspension | Gabelfederung (Fork Suspension) |
| Controller | Intelligent brushless over-current temperature protection |
| Meter | LCD dustproof and waterproof instrument |
| Net Weight | 27 Kilograms |
| Included Components | Electric bicycle, Battery, Charger, Mudguard, Luggage rack, Installation tools |
Image: Part 1 of the configuration details table for the KETELES KF9, outlining specifications for motor, battery, meter, and range.
Image: Part 2 of the configuration details table for the KETELES KF9, detailing frame material, wheel size, brake type, and overall weight.
Warranty and Support
For warranty information, technical support, or any inquiries regarding your KETELES KF9 Electric Bicycle, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase for any warranty claims.
