- Wattage: 201 – 300w
- Design: Brushed
- Voltage: 36V
- Brand Name: varstrom
- Motor: Side Hung Motor
- Origin: Mainland China
- Power: 750W/500W /250W
- Voltage: 48V /36V
- Motor Type: TSDZ2B / TSDZ8
- Chain Wheel: 42T /44T
- limited current: 15A
- Max speed without limited: 37km/h
- Motor weight: 3.6kg
- IP Code: IP54
- Max Torque: 80 Nm / 120Nm
- TSDZ2B: 250W /500W
- TSDZ8: 750W
- Warranty: 2 Year
- Battery Version: Downtube / Rear Rack
- Maintain Point: France / Spain /Poland /Italy
- Delivery Time: 2 – 7 Day Delivery

About Tongsheng
A noteworthy aspect of Tongsheng’s motor systems is their torque sensor technology, a pivotal component that distinguishes their mid-drive motors. Torque sensors measure the force applied to the pedals, allowing for a more intuitive and responsive power delivery. This not only contributes to a more natural riding experience but also maximizes energy efficiency, a critical consideration in the realm of electric mobility.
Tongsheng TSDZ2B Mid Drive Motor is the Upgraded Version of TSDZ2, and there are 48V500W and 36V250W. The reduction gear kit and the clutch inside the motor has been upgraded. The upgraded parts make the motor work more smoothly, higher efficiency,
less wear and longer service life, which brings you better riding experience.
Tongsheng TSDZ8 Mid Drive Motor is the latest version in 2024 and there is 48V750W. The power output of TSDZ8 is higher than TSDZ2B and provide you with more energy and faster speed.
Tongsheng offers a range of motor options, catering to diverse user preferences and riding conditions. From commuting to off-road adventures, their motors deliver a compelling blend of power and efficiency. Additionally, Tongsheng motors are often lauded for their quiet operation, ensuring a discreet and enjoyable riding experience.
About this item
【 New Designed Torque Sensor 】 The New Designed Torque Sensor Version , To give you more stable and better Riding Experience .
【Powerful Motor】The TSDZ8 750W Motor Peak Power Reach 1200W , The Max Torque ≥120Nm. providing excellent performance for climbing . Effortlessly ride at high speeds with minimal effort, using it for exercise and fun!
【Zero Start Performance and Perfect Combination】Because the torque sensor can accurately detect the foot force and output it several times over time. It can produce accurate torque signal at rest with excellent zero start performance. Because the performance is proportional to the person’s output, the coordination is good and can be said to be the perfect combination of humans and machines. The engine has additional support.
【Universal Standard】Fits 95% of standard bicycle frames with 68-73mm bottom bracket. Only suitable for bicycle with disc brake and chain drive system.
【Ultal Safe】Because the electric output power is synchronized with the pedal force, as long as the driver releases the pedal, the power is cut off immediately and there is no need to install the electric brake. When the crank is empty, the motor does not turn and the safety is almost normal. Like a bike.
【2 Year Warranty &24h customer service 】We provide the product 1 Year warranty & 24h customer service . If you have any special requirements or requests for your order, don’t hesitate to let us know. We are more than willing to accommodate your needs. Remember, effective communication can make a significant difference


























20 reviews for Tongsheng 250W 500W 750W 1000W TSDZ2B TSDZ8 Ebike kit 36V 48V Engine Torque Sensor Mid Motor With Ebike Lithium 25Ah Battery