Indledning
This manual provides essential information for the safe and efficient operation, assembly, and maintenance of your KETELES K800 Electric Bike. Please read this manual thoroughly before your first ride to ensure proper usage and to maximize the lifespan of your e-bike.
The KETELES K800 is an advanced electric bike designed for adults, featuring powerful dual motors and a high-capacity removable battery for extended range. Its 26-inch by 4-inch fat tires ensure excellent traction and stability across various terrains, including sand, snow, gravel, and flat roads. With 21 speeds and hydraulic brakes, it offers a versatile and secure riding experience for both daily commuting and off-road adventures.

Figure 1: KETELES K800 Electric Bike with included accessories.
Opsætning og montering
Your KETELES K800 electric bicycle is 85% pre-installed. The following steps outline the final assembly process. For a visual guide, please refer to the assembly video below.
Video 1: K800 Unboxing and Assembly Tutorial. This video demonstrates the complete unboxing and assembly process for your electric bike, including handlebar, seat, wheel, fender, rack, and pedal installation, as well as battery insertion and initial checks.
Unboxing and Component Removal
Carefully open the packaging and remove all components. Ensure all parts are accounted for before proceeding with assembly. The main frame, wheels, handlebars, seat post, pedals, fenders, rear rack, and battery are individually protected.
Styrinstallation
Attach the handlebars to the stem. Ensure the handlebars are centered and the brake levers and shifters are in a comfortable and accessible position. Tighten all bolts securely.
Figure 2: The LCD display and handlebar controls, including the throttle and gear shifters.
Montering af sadelpind
Insert the seat post into the frame's seat tube. Adjust the seat height to a comfortable riding position, ensuring your feet can touch the ground when stopped. Secure the quick-release clamp fast.
Installation af forhjul
Carefully align the front wheel with the fork. Ensure the brake rotor slides correctly into the brake caliper. Secure the wheel using the quick-release skewer or axle nuts, depending on your model.
Fender and Headlight Installation
Attach the front and rear fenders to their designated mounting points on the frame and fork. Install the headlight on the front fork and connect its power cable. Ensure all connections are secure.
Rear Rack Installation (if applicable)
If your model includes a rear rack, attach it to the designated mounting points on the rear frame. Secure all bolts tightly.
Installation af pedaler
Identify the left (L) and right (R) pedals. The left pedal screws counter-clockwise, and the right pedal screws clockwise. Apply a small amount of grease to the threads before installation. Tighten firmly with a wrench.
Installation af batteri
Insert the 48V 23AH removable battery into its housing on the bike frame. Ensure it clicks securely into place. Use the provided key to lock the battery, if applicable, for security and to prevent accidental removal.
Figure 3: The removable 48V 23AH lithium battery integrated into the bike frame.
Kabelstyring
Organize and secure any loose cables using zip ties or cable clips to prevent them from interfering with moving parts or getting damaged.
Operating Your KETELES K800
The KETELES K800 offers five distinct riding modes to adapt to various terrains and preferences:
- Strømtilstand: Provides electric assistance as you pedal, extending your range and reducing effort.
- Gashåndtag: Allows for pure electric propulsion without pedaling, similar to a motorcycle.
- Normal Riding Mode: Functions as a traditional bicycle, relying solely on pedal power.
- Cruise Mode: Maintains a set speed without continuous throttle input (refer to LCD display for activation).
- Gåtilstand: Provides low-speed assistance for easy maneuvering while walking alongside the bike.
The intuitive color LCD display provides real-time information including battery level, current speed, power assist gear, and travel distance. Familiarize yourself with the controls on the handlebars for safe and effective operation.
Figure 4: Illustration highlighting the powerful dual motors of the KETELES K800.
Opretholdelse
Regular maintenance is crucial for the longevity and safe operation of your KETELES K800 Electric Bike.
Almen pleje
- Rensning: Brug annonceamp cloth to wipe down the frame and components. Avoid high-pressure water jets directly on electrical components.
- Dæktryk: Regularly check and maintain the recommended tire pressure for the 26" x 4" fat tires. Proper inflation ensures optimal performance and prevents punctures.
- Bremser: Inspect hydraulic disc brakes for wear on pads and rotors. Ensure brake levers provide firm and responsive stopping power.
- Kæde: Hold kæden ren og smurt for at sikre jævne gearskift og forhindre rust.
- Fastgørelsesmidler: Periodically check all bolts and fasteners for tightness, especially on critical components like the handlebars, wheels, and seat post.
Batteripleje
The 48V 23AH removable lithium battery is a high-performance component. To maximize its lifespan:
- Opladning: Charge the battery fully before your first ride and after each use. Charging typically takes 7-9 hours.
- Opbevaring: Hvis cyklen skal opbevares i længere tid, skal batteriet oplades til ca. 50-70% og opbevares et køligt og tørt sted. Genoplad hver 2-3 måned.
- Cykler: The battery is designed for more than 1000 charging cycles.
- Vandtæt materiale: While the battery features waterproof material, avoid submerging it in water.
Fejlfinding
This section addresses common issues you might encounter with your KETELES K800 Electric Bike. For more complex problems, please contact customer support.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Cyklen tænder ikke | Battery not inserted correctly; Battery low/dead; Power button not pressed. | Ensure battery is fully seated and locked; Charge the battery; Press and hold the power button on the display. |
| Motoren hjælper ikke | Motor cable disconnected; Pedal Assist System (PAS) level set to zero; Throttle not engaged. | Check motor cable connection at the front wheel; Increase PAS level on the display; Engage throttle fully. |
| Bremserne føles svampede | Air in hydraulic lines; Worn brake pads. | Bleed the hydraulic brake system (professional recommended); Replace brake pads. |
| Usædvanlige lyde fra drivlinjen | Dry or dirty chain; Misaligned derailleur. | Clean and lubricate the chain; Adjust derailleur (professional recommended). |
Specifikationer
Below are the key specifications for the KETELES K800 Electric Bike:
- Cykeltype: El-cykel
- Aldersinterval: Voksen
- Mærke: KETELES
- Modelnavn: Peak 4000W
- Antal hastigheder: 21
- Farve: Blue (variant shown in product details)
- Hjulstørrelse: 26 tommer
- Hjulbredde: 4 tommer (fede dæk)
- Ophængstype: Front
- Speciel funktion: Justerbart sæde
- Bremsestil: Hydraulic Disc Brake with power cut-off Feature
- Strømkilde: Electric motor (rechargeable battery-powered)
- Lithium batteri energiindhold: 1104 watttimer (48V 23AH)
- Batterilevetid (ca.): 4 Hours (Pure electric mode: 40-50Km; Electric assist mode: 80-100Km)
- Materiale: Aluminium (ramme)
- Bicycle Drivetrain Type: Hub Motor
- Montering påkrævet: Yes (85% pre-installed)
Dimensions and Load Capacity
Figure 5: Detailed dimensions and load capacity of the KETELES K800 Electric Bike.
- Max belastningskapacitet: 200kg / 440lbs
- Cykelvægt: 37kg / 81lbs
- Anbefalet højde: 170-195cm / 5.7-6.4ft
Garanti og support
KETELES is committed to providing excellent customer service. We offer professional warranty services for our electric bicycles.
- Garanti: The battery, motor, and controller have a 12-month protection period.
- Teknisk support: Livstids teknisk support ydes.
- Kundeservice: Our professional team is available to provide solutions within 24 hours.
For any questions or assistance, please feel free to contact us. Your satisfaction is our greatest motivation!
Figure 6: KETELES customer service team ready to assist.





