1. Pengenalan
This manual provides essential information for the safe and efficient operation, assembly, and maintenance of your KETELES Dual Motor Electric Bike, Model K800. Please read this manual thoroughly before first use and retain it for future reference.
The KETELES K800 is a high-performance electric bicycle designed for adults, featuring dual motors, fat tires, and multiple riding modes suitable for various terrains.
2. Maklumat Keselamatan
Always prioritize safety when operating the electric bike. Failure to follow safety guidelines can result in serious injury or damage to the product.
- Sentiasa pakai topi keledar dan peralatan keselamatan yang sesuai semasa menunggang.
- Biasakan diri anda dengan undang-undang dan peraturan tempatan mengenai basikal elektrik.
- Perform a pre-ride inspection before each use, checking brakes, tire pressure, and battery level.
- Jangan kendalikan basikal di bawah pengaruh alkohol atau dadah.
- Berhati-hati dengan persekitaran anda dan menunggang secara bertahan.
- Pastikan bateri dicas sepenuhnya sebelum perjalanan jauh.
- Elakkan menunggang dalam keadaan cuaca yang ekstrem.
- The maximum load capacity for this bike is 440 pounds (200 kg). Do not exceed this limit.
3. Kandungan Pakej
Upon opening the package, verify that all components are present and undamaged. If any items are missing or damaged, contact customer support immediately.
- KETELES K800 Electric Bike (partially assembled)
- Removable 48V 23AH Lithium Battery
- Pengecas Bateri
- Kit Alat
- Manual Pengguna (dokumen ini)
- Keys for battery lock
- Pam Udara
- Kunci Basikal
4. Persediaan dan Pemasangan
The KETELES K800 electric bike is 85% pre-assembled. The following steps outline the final assembly process. It is recommended to have basic mechanical ability or seek professional assistance if unsure.
4.1 Membongkar dan Pemeriksaan Awal
Carefully remove the bike and all components from the packaging. Inspect for any visible damage during transit.
4.2 Pemasangan Hendal
Attach the handlebar to the stem, ensuring all cables are routed correctly and not pinched. Tighten the bolts securely.
4.3 Pemasangan Roda Hadapan
Install the front wheel, ensuring the disc brake rotor aligns correctly with the caliper. Secure the quick-release skewer or axle nuts firmly.
4.4 Pemasangan Pedal
Identify the left (L) and right (R) pedals. Thread them into the corresponding crank arms. Note that the left pedal has a reverse thread. Tighten firmly with a wrench.
4.5 Pelarasan Tiang Tempat Duduk dan Pelana
Insert the seat post into the frame and adjust the saddle height to a comfortable riding position. Ensure the minimum insertion mark on the seat post is not visible. Tighten the quick-release clamp atau bolt.
4.6 Pemasangan dan Pengecasan Bateri
Insert the removable 48V 23AH battery into its compartment on the frame. Lock it securely with the provided key. Before first use, fully charge the battery. A full charge typically takes 7-9 hours.

Figure 4.6.1: The 48V 23AH removable lithium battery, offering 1104WH capacity and a 7-9 hour charging time.

Rajah 4.6.2: Terperinci view of the 48V 23AH battery, emphasizing its 1104WH capacity, 7-9 hour charging time, over 1000 charging cycles, waterproof material, and estimated range.
4.7 Rear Rack Assembly (if applicable)
If your model includes a rear rack, attach it according to the provided instructions. This step may require additional effort for proper alignment and secure fastening.
5. Arahan Operasi
Understanding the controls and riding modes will enhance your experience with the KETELES K800 electric bike.
5.1 Menghidupkan/Mematikan
To power on the bike, ensure the battery is installed and locked. Locate the power button, typically near the display or battery. Press and hold to turn on. Repeat to turn off.
5.2 Paparan LCD Lebihview
The color LCD display provides real-time information about your ride.
- Paparan Bateri: Menunjukkan tahap cas bateri semasa.
- Paparan Kelajuan: Indicates current riding speed (km/h).
- Power Assist Gear Display (PAS): Shows the current level of pedal assist.
- Travel Distance Display: Displays trip distance, odometer, and maximum speed.

Figure 5.2.1: The handlebar controls and color LCD display, indicating battery, speed, power assist, and travel distance information.

Figure 5.2.2: Detailed diagram of the KETELES K800 handlebar, highlighting the LCD display, horn, lamp button, throttle, gear switch, and front motor on-off switch.
5.3 Mod Menunggang
The K800 offers 5 versatile riding modes:
- Dual-Motor Pure Electric Mode: Utilizes both 2000W peak motors for maximum power and speed without pedaling.
- Single-Motor Pure Electric Mode: Uses one motor for electric propulsion without pedaling, conserving battery.
- Power-Assisted Mode (PAS): Provides electric assistance as you pedal. Adjust the assist level (1-5) via the display controls.
- Mod Berjalan: Provides low-speed assistance for pushing the bike while walking.
- Mod Pelayaran: Maintains a set speed without continuous throttle input.
An adjustable switch on the handlebar allows switching between single-motor or dual-motor operation.

Figure 5.3.1: Illustration of the KETELES K800's front and rear dual motors, providing a combined peak power of 4000W and 170N·M torque.

Figure 5.3.2: Visual representation of the KETELES K800's high-speed brushless dual motors and key performance indicators, including climbing ability, maximum speed, and gear system.
5.4 Penukaran Gear
The 21-speed transmission allows you to select appropriate gears for different terrains and riding conditions. Use the shift levers on the handlebar to change gears smoothly.
5.5 Sistem Brek
The K800 is equipped with front and rear hydraulic disc brakes for reliable stopping power. Apply both brakes simultaneously for optimal control. The braking system includes a motor cut-off feature for added safety.

Rajah 5.5.1: Terperinci view of the hydraulic disc brake system and the lockable suspension fork, which enhances ride comfort and control.

Figure 5.5.2: Key structural and safety features of the KETELES K800, including the lockable aluminum suspension fork, hydraulic disc brakes, robust rear frame, and high-brightness headlamp.
5.6 Sistem Pencahayaan
The bike features a 2-in-1 running light and brake tail light. The headlight provides a bright, flat beam that can be adjusted to avoid blinding oncoming traffic. The tail light illuminates when the headlight is on and brightens upon braking.
5.7 Fat Tires
The 26" x 4" fat tires provide excellent grip, tear resistance, and stability, making the K800 suitable for various terrains including flat roads, gravel, mountain roads, and snow.

Figure 5.7.1: The 26" x 4.0" fat tire, designed for superior grip and stability across diverse terrains such as flat roads, gravel, mountain paths, and snow.

Figure 5.7.2: The KETELES K800's 26" x 4.0" fat tires are engineered for excellent grip and stability, performing well on flat roads, gravel, mountain trails, and snow.
6. Penyelenggaraan
Penyelenggaraan berkala adalah penting untuk ketahanan dan operasi basikal elektrik anda yang selamat.
- Pembersihan: Bersihkan basikal dengan kerap dengan iklanamp kain. Elakkan mencuci tekanan tinggi terus pada komponen elektrik.
- Tekanan Tayar: Periksa tekanan tayar sebelum setiap tunggangan. Kekalkan tekanan yang disyorkan untuk prestasi dan keselamatan yang optimum.
- Brek: Inspect brake pads and rotors for wear. Adjust or replace as needed. Ensure brake levers are firm.
- Pelinciran rantai: Lincirkan rantai dengan kerap, terutamanya selepas menunggang dalam keadaan basah.
- Pengikat: Periodically check all bolts and nuts for tightness, especially on critical components like handlebars, wheels, and seat post.
- Penjagaan Bateri: Store the battery in a cool, dry place. Avoid fully discharging the battery for extended periods. Charge it at least once every two months if not in use.
- Pemeriksaan Profesional: Consider a professional bike shop inspection at least once a year.
7. Penyelesaian masalah
Bahagian ini menangani isu biasa yang mungkin anda hadapi. Untuk masalah yang tidak disenaraikan di sini, hubungi sokongan pelanggan.
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Basikal tidak boleh dihidupkan. | Battery not installed correctly, battery discharged, power button not pressed correctly. | Ensure battery is fully inserted and locked. Charge the battery. Press and hold the power button firmly. |
| Motor tidak membantu. | PAS level set to 0, battery low, motor cut-off engaged (e.g., brake lever squeezed). | Increase PAS level. Charge battery. Release brake levers fully. Check motor connection cables. |
| Brakes feel spongy or weak. | Air in hydraulic lines, worn brake pads, misaligned caliper. | Bleed hydraulic brakes (professional recommended). Inspect and replace brake pads. Realign brake caliper. |
| Gear tidak beralih dengan lancar. | Derailleur out of adjustment, dirty/dry chain, bent hanger. | Adjust derailleur limits and cable tension. Clean and lubricate chain. Inspect derailleur hanger for damage. |
| Unusual noises from bike. | Loose components, dry chain, brake rub. | Check all bolts for tightness. Lubricate chain. Adjust brake caliper to prevent rubbing. |
8. Spesifikasi
Key technical specifications for the KETELES K800 Electric Bike.
| Ciri | Spesifikasi |
|---|---|
| Model | K800 |
| Kuasa Motor | Dual 2000W Peak Motors (4000W combined peak) |
| Tork | 170 N·M |
| Bateri | 48V 23AH (1104WH) Removable Lithium Battery |
| Masa Mengecas | 7-9 jam |
| Julat Elektrik Tulen | Approx. 40-50 Km (25-31 miles) |
| Electric Assist Range | Approx. 80-100 Km (50-62 miles) |
| tayar | Tayar Gemuk 26" x 4" |
| Gear | 21-Speed Transmission |
| Brek | Front and Rear Hydraulic Disc Brakes |
| Bahan Bingkai | Lightweight Aluminum Alloy |
| Penggantungan | Front Suspension Fork (Lockable) |
| Kapasiti Beban Maks | 440 paun (200 kg) |
| Berat Barang | 38 kg (83.7 lbs) |
| Dimensi Produk | 189.99 x 73.66 x 113.03 cm (74.8 x 29 x 44.5 inci) |
| Ketinggian Penunggang Disyorkan | 170-195 cm (5.7-6.4 ft) |

Figure 8.1: Dimensional specifications and load capacity of the KETELES K800 electric bike, including recommended rider height.
9. Waranti dan Sokongan
KETELES provides comprehensive support for your electric bike.
- Waranti: A 12-month warranty is provided for the battery, motor, and controller.
- Sokongan Teknikal: Sokongan teknikal seumur hidup disediakan.
- Hubungi: If you have any questions or require assistance, please contact KETELES customer support. Solutions are typically provided within 24 hours.
- Pulangan: Kindly retain the original packaging for 1 month for possible returns.