KETELES KF9 Folding Electric Bike User Manual

1. Introduction

Welcome to the KETELES KF9 Folding Electric Bike user manual. This guide provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new electric bicycle. Please read this manual thoroughly before your first ride to ensure optimal performance and safety.

2. Safety Information

⚠&#ufe0f; 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 traffic laws and regulations regarding electric bicycles.
• Perform a pre-ride safety check before each use, including brakes, tires, and battery.
• Do not ride under the influence of alcohol or drugs.
• Be aware of your surroundings and ride defensively.
• Avoid riding in adverse weather conditions or on slippery surfaces.

3. Setup & Assembly

The KETELES KF9 is designed for convenience, featuring a folding frame for easy transport and storage. Follow these steps for initial setup:

3.1 Unfolding the Bike

Your KF9 electric bike comes pre-assembled in a folded state. To unfold:

1. Place the bike on a flat, stable surface.
2. Locate the main frame hinge and release the safety latch.
3. Carefully unfold the frame until it locks into place. Ensure the latch is securely fastened.
4. Adjust the handlebar stem: Release the quick-release lever on the handlebar stem, raise it to your desired height, and securely fasten the lever.
5. Adjust the seat post: Release the quick-release lever on the seat post, adjust the seat height for comfortable pedaling, and securely fasten the lever.
6. Unfold the pedals if they are folded.

3.2 Battery Installation & Charging

The KF9 features a removable lithium battery for convenient charging.

1. To install the battery, slide it into its compartment on the frame until it clicks securely.
2. To remove, unlock the battery with the provided key and slide it out.
3. Connect the 2A smart charger to the battery charging port (either on or off the bike) and then to a power outlet.
4. The charging time is approximately 7-9 hours. Ensure the battery is fully charged before your first ride.

3.3 Tire Inflation

Ensure tires are inflated to the recommended pressure, typically found on the tire sidewall. The 20*4.0 inch fat tires are designed for various terrains, including snow.

4. Operating Instructions

4.1 Power On/Off

To power on or off the e-bike, press the 'M' key on the instrument for 2-5 seconds until the display light turns on or off.

4.2 Riding Modes

The KETELES KF9 offers three distinct riding modes:

• Pure Human Riding Mode (Power Off Cycling): Ride the bike like a traditional bicycle without any electric assistance.
• Pedal Assisted Riding Mode: The motor provides assistance as you pedal, making riding easier and more energy-efficient.
• Electric Cycling Mode: Use the throttle for fully electric propulsion without pedaling.

4.3 Electric Mode Operation

Once the bike is powered on, you can enter the fully electric mode by simply twisting the throttle. This allows for effortless riding without pedaling.

4.4 Pedal Assist System (PAS)

The Pedal Assist System (PAS) provides motor assistance while you pedal. It has 5 levels of power assistance:

1. To activate PAS, simply start pedaling. Do not twist the throttle in PAS mode.
2. Press the '+' button on the control panel to increase the pedal assist level from '1' to '5'.
3. Level '5' provides the maximum power assistance, offering faster speed whether you are pedaling or twisting the throttle.

4.5 Gear Shifting

The KETELES KF9 is equipped with a Shimano 7-speed gearing system for smooth transitions across different terrains.

• Use the Shimano TX50 21-speed Shift Lever on the handlebar to change gears.
• The Shimano TZ50 positioning rear derailleur ensures precise and reliable gear changes.
• The Shimano MF-TZ500-7 freewheel contributes to accurate gear shifting without slips or chain drops.

4.6 Display Functions

The intelligent liquid crystal instrument provides key riding information:

• Battery Status: Indicates remaining battery charge.
• Speed: Current riding speed (km/h).
• Odograph (ODO): Total distance traveled.
• Mileage: Trip distance.
• PAS Level: Current pedal assist level (1-5).
• Speed Grade: Indicates the current speed setting.

4.7 Brakes

The KF9 is equipped with high-performance mechanical disc brakes on both the front and rear wheels for reliable stopping power. Always apply both brakes simultaneously for effective and safe braking.

4.8 Front Suspension

The all-aluminum adjustable locking damping front fork provides powerful shock absorption and a comfortable ride. It can be adjusted to suit different road conditions.

5. Maintenance

Regular maintenance ensures the longevity and safe operation of your KETELES KF9 e-bike.

• Cleaning: Regularly clean your bike with a damp cloth. Avoid high-pressure washing directly on electrical components.
• Tires: Check tire pressure before each ride and inflate as needed. Inspect tires for wear and damage.
• Brakes: Periodically check brake pads for wear and ensure brake levers are responsive. Adjust or replace as necessary.
• Chain: Keep the chain clean and lubricated to ensure smooth gear changes and prevent rust.
• Battery Care:
  • Charge the battery regularly, even if not in use, to maintain its health.
  • Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
  • Do not fully discharge the battery frequently.
  • Always use the original 48V lithium battery 2A current smart charger.
• Fasteners: Periodically check all bolts and fasteners for tightness.
• Professional Service: For complex repairs or adjustments, consult a qualified bicycle mechanic.

6. Troubleshooting

Here are some common issues and their potential solutions:

• Bike not turning on:
  • Ensure the battery is properly installed and charged.
  • Check if the 'M' button on the display is pressed for 2-5 seconds.
  • Verify all electrical connections are secure.
• Motor not engaging in electric or pedal assist mode:
  • Check battery charge level.
  • Ensure the throttle is twisted correctly for electric mode.
  • For pedal assist, ensure you are pedaling and the PAS level is set above '0'.
  • Inspect wiring for any visible damage.
• Brakes feel weak:
  • Check brake pads for wear; they may need replacement.
  • Ensure brake cables are properly tensioned.
  • If using hydraulic brakes, they may need bleeding (professional service recommended).
• Gears are not shifting smoothly:
  • Check if the chain is clean and lubricated.
  • Inspect the derailleur for alignment or damage.
  • Ensure shifter cables are properly tensioned.

If you encounter persistent issues not covered here, please contact customer support.

7. Specifications

8. User Tips

• Maximize Range: Utilize the pedal-assist mode (PAS) for longer rides and to conserve battery life, especially on inclines.
• Terrain Versatility: The 20*4.0 inch fat tires are excellent for various terrains, including sand, snow, and rough paths. Adjust tire pressure for optimal performance on different surfaces.
• Easy Storage: Take advantage of the folding design for convenient storage in small spaces or for transport in a car.
• Climbing Power: The 1000W motor and pedal assist make climbing gradients up to 35 degrees significantly easier.
• Visibility: Always use the integrated LED headlamp and speaker for enhanced visibility and safety, especially during low-light conditions.

9. Warranty & Support

For any questions, concerns, or support needs regarding your KETELES KF9 Electric Bike, please contact the seller directly. Information regarding return and refund policies can be found through the seller's store. Ensure you retain your proof of purchase for any warranty claims.

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