1. Pengenalan
This manual provides essential information for the installation, operation, and maintenance of your Varstrom TSDZ2B, TSDZ8, or TSDZ16 mid-drive ebike conversion kit. Please read this manual thoroughly before attempting installation or operation to ensure proper function and safety.

Imej 1.1: Selesaiview of the Varstrom Mid Drive Ebike Conversion Kit, including the motor, battery options, and display unit.
2. Maklumat Keselamatan
Always prioritize safety when working with electrical components and bicycles. Failure to follow safety instructions may result in injury or damage to the product.
- Ensure the battery is disconnected before performing any installation or maintenance.
- Pakai peralatan keselamatan yang sesuai, termasuk sarung tangan dan pelindung mata, semasa pemasangan.
- Do not modify the motor or battery components. Unauthorized modifications can lead to malfunction and void the warranty.
- Keep all electrical connections dry and secure. The kit has an IPX5/IPX6 waterproof rating, but extreme exposure to water should be avoided.
- Regularly inspect all components for wear, damage, or loose connections.
- Always follow local regulations regarding ebike usage, speed limits, and power output.
3. Produk Lebihview
The Varstrom mid-drive ebike conversion kits (TSDZ2B, TSDZ8, TSDZ16) are designed to transform standard bicycles into electric-assist bikes. These kits feature a torque-sensing motor for a natural riding experience.
3.1. Model Comparison
The kits are available in different power outputs and torque specifications. Refer to the table below for a comparison of the TSDZ2B, TSDZ8, and TSDZ16 models.

Image 3.1: Detailed comparison of TSDZ2B, TSDZ8, and TSDZ16 motor specifications, including power, voltage, torque, and waterproof ratings.
| Ciri | TSDZ2B | TSDZ8 | TSDZ16 |
|---|---|---|---|
| kuasa | 500W | 750W | 1000W |
| Voltage | 48V | 48V | 48V |
| Max Torque | 80 Nm | 120 Nm | 160 Nm |
| Gred Kalis Air | IPX5 | IPX5 | IPX6 |
| Bottom Bracket Length | 68-73mm | 68-73mm | 68-73mm |
3.2. Upgraded Features (TSDZ2B vs. TSDZ2)
The TSDZ2B model features several upgrades compared to the older TSDZ2 version, enhancing durability and performance.

Image 3.2: Visual comparison highlighting upgrades in the TSDZ2B model, including new appearance, bidirectional free-wheeling clutch, and integrated reduction gear kit.
- New Appearance: Modernized motor casing reka bentuk.
- Bidirectional Free-wheeling Clutch: Allows the bike to be pedaled normally without resistance when the motor is off or power is lost.
- Integrated Reduction Gear Kit: Improved internal gear design for better reliability.
4. Keserasian
These mid-drive kits are designed for broad compatibility with various bicycle types, provided the bottom bracket dimensions meet the requirements.
4.1. Bottom Bracket Requirements
The motor is compatible with bicycles featuring a bottom bracket shell width of 68-73mm and an inner diameter between 33.5-36mm. Accurate measurement is crucial for proper fitment.

Image 4.1: Instructions for measuring your bike's bottom bracket to ensure compatibility with the mid-drive motor. It also shows examples of incompatible chainring and coaster brake setups.
4.2. Bicycle Types
The kit is suitable for a wide range of bicycles, including:
- Basikal Gunung
- Basikal Jalan Raya
- City Bikes
- Foldable Bikes
- Cargo Tricycles
- Basikal Berbaring

Imej 4.2: Cthamples of different bicycle types, such as mountain bikes, road bikes, and cargo tricycles, that are compatible with the conversion kit.
5. Senarai Pembungkusan
Verify that all components listed below are included in your package. The specific items may vary slightly based on the chosen kit configuration (e.g., display type, battery option).

Image 5.1: A visual representation of the components included in the Varstrom mid-drive motor kit, such as the motor, brake levers, throttle, display, and various cables and tools.
- Mid-mounted motor (TSDZ2B, TSDZ8, or TSDZ16)
- Brake Levers (or brake sensors)
- Pendikit Ibu Jari
- Display Unit (e.g., EKD01, VD18MT, M58, DZ40)
- Penderia Kelajuan
- Crank Arms
- Rantaian
- Kabel Sambungan Motor
- Pengikat Kabel
- Skru Pemasangan
- sepana
- Manual Pengguna (dokumen ini)
- Pilihan: Battery (various types available), Quick Charger
6. Pemasangan (Persediaan)
The installation process involves mounting the motor, connecting electrical components, and installing the display and sensors. While the kit is designed for plug-and-play, some mechanical aptitude is beneficial.
6.1. Langkah Pemasangan Umum
- Prepare Your Bicycle: Remove the existing bottom bracket, crank arms, and chainring. Clean the bottom bracket shell.
- Pasang Motor: Insert the mid-drive motor into the bottom bracket shell. Secure it using the provided locking nuts and plates. Ensure the motor is oriented correctly and does not interfere with the frame.
- Install Crank Arms and Chainring: Attach the new crank arms and chainring to the motor spindle.
- Pasang Sensor Kelajuan: Mount the speed sensor on the chainstay and attach the magnet to a spoke on the rear wheel. Ensure a small gap (approx. 1.5mm) between the sensor and magnet.
- Install Brake Levers/Sensors and Throttle: Replace your existing brake levers with the ebike-compatible ones or install brake sensors. Mount the thumb throttle on the handlebar.
- Paparan Pemasangan: Attach the display unit to your handlebar in a visible and accessible location.
- Sambungan Pendawaian: Connect all components (motor, display, throttle, brake sensors, speed sensor) to the main wiring harness. Ensure all connectors are fully seated and secure.
- Pasang Bateri: Mount your chosen battery (downtube or rear rack) securely to the bicycle frame. Connect the battery to the main wiring harness.
- Pengurusan Kabel: Use cable ties to neatly route and secure all cables, preventing them from snagging or interfering with moving parts.

Image 6.1: A simplified wiring diagram illustrating the connections between the motor, battery, display, and other components of the ebike conversion kit.
For detailed visual instructions, it is recommended to search for installation videos specific to TSDZ2B, TSDZ8, or TSDZ16 mid-drive kits on online video platforms.
7. Arahan Operasi
Your Varstrom ebike kit offers multiple riding modes and a user-friendly display for monitoring your ride.
7.1. Menghidupkan/Mematikan
- Untuk Menghidupkan: Ensure the battery is connected and switched on (if it has a separate switch). Press and hold the power button on the display unit for a few seconds.
- Untuk Mematikan: Press and hold the power button on the display unit until the screen turns off.
7.2. Mod Menunggang
The kit supports four distinct riding modes:

Image 7.1: Visual representation of the four available cycling modes: Pedal-only, Pedal-assist, Throttle, and Walk-assist, demonstrating the versatility of the ebike kit.
- Pedal-only Mode: The motor provides no assistance. The bike functions as a traditional bicycle.
- Mod Bantuan Pedal (PAS): The motor provides assistance proportional to your pedaling effort, detected by the torque sensor. You can adjust the assist level (usually 1-5) via the display.
- Mod Pendikit: The motor provides power directly via the thumb throttle, without requiring pedaling. This mode is often limited by local regulations.
- Mod Bantuan Berjalan: Provides low-speed motor assistance (typically 6 km/h) to help you push the bike while walking. Activate this mode via the display or a dedicated button.
7.3. Fungsi Paparan
The display unit provides real-time information and allows you to control the kit's functions. Common display types include EKD01, VD18MT, M58, and DZ40.

Image 7.2: Comparison of different display units available for the kit, including EKD01, VD18MT, M58, and DZ40, showing their screen sizes, features, and language support.
Typical information displayed:
- Kelajuan Semasa
- Tahap Bantuan
- Penunjuk Aras Bateri
- Trip Distance / Odometer
- Masa Menunggang
- Kod Ralat (jika ada)
The EKD01 display offers advanced features like Bluetooth connectivity for navigation and ride analytics via a smartphone app.
8. Battery Options
Various battery configurations are available to suit different range and mounting preferences. All batteries feature anti-theft locks, USB ports for charging devices, certified safety systems, and clear charge indicators.

Image 8.1: A detailed table outlining specifications for various Varstrom ebike batteries, including model, cell type, BMS current, USB port availability, weight, and cycle life.
8.1. Mengecas Bateri
- Use only the charger provided or approved by Varstrom.
- Connect the charger to the battery's charging port, then plug it into a power outlet.
- Lampu penunjuk pada pengecas akan menunjukkan status pengecasan (cth, merah untuk mengecas, hijau untuk mengecas penuh).
- Jangan biarkan pengecasan bateri tanpa pengawasan untuk tempoh yang lama.
8.2. Penjagaan Bateri
- Simpan bateri di tempat yang sejuk dan kering, jauh dari cahaya matahari langsung dan suhu yang melampau.
- Avoid fully discharging the battery. Recharge it regularly, especially if storing for long periods.
- Jangan dedahkan bateri kepada air atau lembapan.
9. Penyelenggaraan
Regular maintenance ensures the longevity and optimal performance of your ebike conversion kit.
- Kebersihan: Keep the motor, battery, and electrical connections clean and free from dirt and debris. Use a damp kain; elakkan basuhan tekanan tinggi terus pada komponen elektrik.
- Pemeriksaan Kabel: Periodically check all cables and connectors for signs of wear, fraying, or damage. Ensure they are securely plugged in.
- Pemeriksaan Pengikat: Verify that all mounting bolts and screws for the motor, battery, and accessories are tight.
- Rantai dan Drivetrain: Maintain your bicycle's chain and drivetrain as you would a regular bike (cleaning, lubrication, tension adjustment).
- Kesihatan Bateri: Follow battery care guidelines (Section 8.2) to maximize battery life.
10. Penyelesaian masalah
Bahagian ini menangani isu biasa yang mungkin anda hadapi. Untuk masalah yang lebih kompleks, hubungi sokongan pelanggan.
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Motor not providing assist | Battery low or off; loose connections; display error; brake sensor engaged | Check battery charge and power switch; inspect all cable connections; check display for error codes; ensure brake levers are not engaged. |
| Paparan tidak dihidupkan | Battery off or disconnected; loose display cable | Ensure battery is on and connected; check display cable connection to the main harness. |
| Bacaan laju yang tidak tepat | Speed sensor/magnet misalignment or distance | Adjust the speed sensor and magnet to ensure proper alignment and a gap of approximately 1.5mm. |
| Bunyi luar biasa dari motor | Loose motor mounting; internal issue | Check motor mounting bolts for tightness. If noise persists, contact customer support. |
11. Spesifikasi
General specifications applicable to the Varstrom mid-drive ebike conversion kits.
- Jenama: Varstrom
- model: TSDZ2B, TSDZ8, TSDZ16
- Jenis Motor: Mid-drive, Torque Sensor
- Output Kuasa: 500W (TSDZ2B), 750W (TSDZ8), 1000W (TSDZ16)
- Voltage: 48V
- Tork Maks: Up to 160 N.m (TSDZ16)
- Penilaian Kalis Air: IPX5 (TSDZ2B, TSDZ8), IPX6 (TSDZ16)
- Suhu Operasi: -20°C hingga 45°C
- Keserasian Kurungan Bawah: 68-73mm shell width, 33.5-36mm inner diameter
- Bahan: aluminium
12. Waranti dan Sokongan
Varstrom products typically come with a manufacturer's warranty covering defects in materials and workmanship. Specific warranty terms and duration may vary. Please retain your proof of purchase.
12.1. Sokongan Pelanggan
For technical assistance, warranty claims, or inquiries regarding your Varstrom ebike conversion kit, please contact the seller or Varstrom customer service through the platform where the product was purchased. Provide your order number and a detailed description of the issue for efficient support.





