Tongsheng TSDZ16 1000W TSDZ 750W TSDZ2B 500W 250W Motor Mid Drive Torque Sensor Bicycle Electric Bike Conversion Kit 68-73mm

Shipping Time & Destinations: (Remote areas may take longer.)

Russia: 28–60 days
Australia: 7–15 days
Korea: 12–15 days
Japan: 7–15 days
Canada: 15–18 days
All orders include tracking

Tax & Customs Information:

Tax-free delivery is available for orders from China shipped to Poland, Bulgaria, Croatia, Slovakia, Slovenia, Latvia, Estonia, Germany, Austria, Belgium, the Czech Republic, Denmark, France, Hungary, Italy, the Netherlands, Portugal, Spain, Luxembourg, Finland, Greece, Ireland, Lithuania, Sweden, Romania, Russia, Japan, United Kingdom, Indonesia, Singapore, Malaysia, Thailand,Canada, Australia — only when you select "Seller's Shipping Method" at checkout. Other shipping options may be subject to local customs duties and import taxes.

| Ride Smarter|Go Further

🚵‍♂️⚡【Tongsheng TSDZ Series Mid-Drive Motor Kits】⚡🚵‍♀️

Convert Your Bicycle into a Natural Riding E-Bike!
Torque Sensor System | Smooth Power Assistance | Disc Brake or V Brake Compatible
🛒 Choose Tongsheng Mid-Drive for the Most Natural E-Bike Conversion Experience!
Tongsheng - Power That Feels Like Your Own Strength.
[🔄 Detailed Installation Guide] [🛡️ 12 Months Warranty] [🚀 CN Shipping Available]

🔩 Key Features:
✅ Torque Sensor Technology – Instantly responds to pedal pressure for natural riding feel
✅ Zero-Start Capability – Provides power from complete stop without throttle
✅ 2025 Upgraded Design – Enhanced gear positioning for better sealing and longer lifespan
✅ IPX6 Waterproof – Reliable performance in various weather conditions

📏 Universal Compatibility:
Bottom Bracket: 68-73mm length, 33.5-36mm diameter
Brake System: Disc brake or V-brake compatible
Frame Compatibility: Fits 95% of standard bicycle frames

📊 Four Power Options:

🔺 TSDZ16 1000W Version

Max Speed: 50-60 km/h

Max Torque: 160N.m

Waterproof: IPX6

🔸 TSDZ 750W Version

Max Speed: 45-55 km/h

Max Torque: 140N.m

Waterproof: IP65

🔹 TSDZ2B 500W Version
Max Speed: 38-45 km/h
Max Torque: 80N.m
Waterproof: IP65

🔹 TSDZ2B 250W Version
Max Speed: 25-32 km/h
Max Torque: 80N.m
Waterproof: IP65

🖥️ Smart Display Options:
DZ40| SW2-M58| EKD01 (Only EKD01 Bluetooth connectivity + mobile app)

📦 Kit Includes:
Mid-drive motor unit with torque sensor
Installation hardware and tools
Optional display
Thumb throttle
Brake levers or brake sensors
Speed sensor
Cranks

✅ Why Choose Varstrom?
🔧 No additional brake adapters needed
🚀 High torque for uphill rides
⚡ Efficient and responsive power delivery