1. Introduktion
Thank you for choosing the KETELES KF9 Pro Folding Electric Bike. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new e-bike. Please read this manual thoroughly before your first ride and keep it for future reference. Proper use and maintenance will ensure a long and enjoyable experience with your KF9 Pro.

Figure 1: KETELES KF9 Pro Electric Bike (unfolded)
2. Sikkerhedsoplysninger
⚠ ADVARSEL:
- Vær opmærksom på den potentielle brandrisiko, og følg nøje instruktionsmanualen for opladning og opbevaring af batteriet.
- While using the product, please wear appropriate protective equipment, including a helmet, and fully comply with all applicable local laws and regulations regarding electric bicycles.
- Always perform a pre-ride safety check, including brakes, tire pressure, and battery charge.
3. Pakkens indhold
Your KETELES KF9 Pro package should include the following items:
- KETELES KF9 Pro Folding Electric Bike (partially assembled)
- 48V 26Ah lithiumbatteri
- Batterioplader
- Nøgler til batterilås
- Frontkurv
- Bageste stativ
- Brugervejledning (dette dokument)
- Basic Tool Kit (for assembly and adjustments)
4. Opsætning og første samling
4.1 Udfoldning af cyklen
- Tag forsigtigt cyklen ud af emballagen.
- Locate the main frame folding latch (Figure 2). Release the latch and unfold the frame until it locks securely into place.
- Unfold the handlebar stem. Secure the stem in the upright position using the quick-release lever and safety latch (Figure 3).
- Adjust the handlebar height and angle to your preference, then tighten all fasteners.
- Install the front wheel if it came detached.
- Attach the pedals. Note that pedals are usually marked 'L' for left and 'R' for right, and thread in opposite directions.
- Adjust the seat post height for comfortable riding. Ensure the seat post is inserted past the minimum insertion line.

Figure 2: Main Frame Folding Mechanism

Figure 3: Handlebar Stem Folding Mechanism
4.2 Batteriinstallation og første opladning
- Insert the 48V 26Ah Lithium Battery into its compartment on the bike frame (Figure 4). Use the provided key to lock the battery in place.
- Before your first ride, fully charge the battery. Connect the charger to the charging port on the battery and then to a standard wall outlet.
- Opladningsindikatoren på opladeren viser opladningsstatussen. En fuld opladning tager typisk 7-9 timer.
- Når den er fuldt opladet, skal du frakoble opladeren.

Figure 4: 48V 26Ah Lithium Battery and Charging Information

Figure 5: Battery Pack Mounted on Frame
5. Betjeningsvejledning
5.1 Tænd/sluk
To power on the e-bike, turn the key in the battery lock to the 'ON' position and then press and hold the power button on the LCD display. To power off, press and hold the power button again.
5.2 Smart LCD-skærm
The Smart LCD Display (Figure 6) provides crucial information during your ride:
- Batteriniveau: Angiver resterende batteriopladning.
- Walk Boost: Giver assistance ved lav hastighed, når man skal gå på cyklen.
- MPH: Displays current speed in miles per hour.
- Triptæller: Tracks distance for the current trip.
- PAS (Pedalassistentsystem): Viser det aktuelle niveau af pedalassistance.
- Krydstogt: Activates cruise control for maintaining a constant speed.

Figure 6: Smart LCD Display
5.3 Køretilstande og gear
Your KF9 Pro features dual 1000W motors and a 7-speed gear system (Figure 7) for versatile riding:
- Pedalhjælpstilstand (PAS): Motoren yder assistance, når du træder i pedalerne. Juster PAS-niveauet på displayet for at kontrollere mængden af assistance.
- Electric Mode (Throttle Only): Brug gashåndtaget til at fremdrive cyklen uden at træde i pedalerne.
- Manuel tilstand: Kør cyklen som en traditionel cykel uden motorassistance.
- 7-trins gearsystem: Use the shifter on the handlebars to change gears, adapting to different terrains and inclines.

Figure 7: 7-Speed Gear Shifter
5.4 Folding the Bike for Storage/Transport
To fold your KF9 Pro:
- Sørg for, at cyklen er slukket.
- Sænk sadelpinden helt ned.
- Slip hurtigudløseren på frempinden, og fold styret ned.
- Release the main frame folding latch and carefully fold the frame in half.
- Fold the pedals inward (Figure 8).

Figure 8: Folding Pedal

Figure 9: KETELES KF9 Pro in Folded State
6. Vedligeholdelse
6.1 Pleje af batterier
- Brug altid den originale oplader, der følger med din elcykel.
- Do not overcharge or completely drain the battery. Charge it regularly, especially if not used for extended periods.
- Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures. If storing for a long time, charge it to about 50-70% capacity.
- Undgå at udsætte batteriet for vand eller fugt.
6.2 Generel cykelvedligeholdelse
- Bremser: Regularly check the hydraulic disc brakes for proper function and wear. Ensure brake levers are firm and responsive.
- Dæk: Maintain correct tire pressure as indicated on the tire sidewall. Inspect tires for wear, punctures, or damage before each ride.
- Kæde: Hold kæden ren og smurt for at sikre jævn drift og for at forhindre rust.
- Bolte og fastgørelseselementer: Periodically check all bolts, nuts, and quick-release levers to ensure they are securely tightened. Pay special attention to folding mechanisms.
- Rensning: Rengør din elcykel med reklameamp klud. Undgå at bruge højtryksrensere direkte på elektriske komponenter.
7. Fejlfinding
Dette afsnit omhandler almindelige problemer, du kan støde på. Ved mere komplekse problemer bedes du kontakte kundesupport.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Cyklen tænder ikke | Battery not charged or not properly installed; Power button not pressed correctly. | Ensure battery is fully charged and locked in place. Press and hold the power button on the display. |
| Motoren hjælper ikke | Low battery; PAS level set to 0; Loose electrical connection. | Check battery level and charge if necessary. Increase PAS level. Inspect motor cable connections. |
| Bremserne føles svampede eller svage | Luft i hydraulikslanger; slidte bremseklodser. | Have brakes bled by a qualified technician. Replace brake pads if worn. |
| Usædvanlige lyde under kørslen | Loose components; Dry chain; Misaligned gears. | Check all bolts and fasteners. Lubricate chain. Adjust gears if necessary or consult a bike mechanic. |
8. Specifikationer

Figure 10: KETELES KF9 Pro Dimensions and Rider Information
| Feature | Specifikation |
|---|---|
| Mærke | Keteles |
| Model | KF9 Pro |
| Motor | 2 x 1000W High-Speed Brushless Motors |
| Max hastighed | Up to 50 Km/h (approx. 31 MPH) |
| Moment | 2 x 85 N·m |
| Klatrevinkel | Op til 40° |
| Batteri | 48V 26Ah lithiumbatteri |
| Opladningstid | 7-9 timer |
| Rækkevidde (elektrisk tilstand) | Ca. 28 miles (45 km) |
| Range (Rear Wheel Motor Only) | Ca. 40 miles (64 km) |
| Rækkevidde (Pedalassistent) | Over 60 km (approx. 37 miles) |
| Bremsesystem | Hydrauliske skivebremser |
| Gear | 7 hastighed |
| Rammemateriale | Aluminiumslegering |
| Hjulstørrelse | 20 tommer |
| Ebike vægt | 44.5 kg (98.1 lbs) |
| Belastningskapacitet | Maks. 200 kg (440 lbs) |
| Anbefalet rytterhøjde | 150-190 cm (4.9-6.2 ft) |
9. Brugertips
- Tjek lokale regler: Before riding, familiarize yourself with local laws regarding electric bicycles, including speed limits, helmet requirements, and where e-bikes are permitted to ride.
- Batteriets levetid: To maximize battery life, avoid storing the bike in extreme temperatures and try to keep the battery charge between 20% and 80% during regular use.
- Regelmæssige inspektioner: Perform quick checks on tire pressure, brake function, and general bike integrity before every ride to ensure safety and optimal performance.
10. Garanti og support
Your KETELES KF9 Pro Electric Bike is covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to your purchase documentation for specific warranty terms and duration. For technical support, spare parts, or warranty claims, please contact the seller or authorized service center.





