SPECIFICATIONS
Brand Name: varstrom
Certification: CE
Compatible Bottom Bracket: BB 68-73mm
Design: Brushless
High-concerned chemical: None
Motor: Side Hung Motor
Origin: Mainland China
PAS Sensor Type: Torque sensor
Rated Power: 750W / 500W / 250W Option
Voltage: 48V / 36V
Waterproof Grade: IP X5
Wattage: > 400w
| 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] [🚀 US, EU,UK Shipping Available]
✅ 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
✅ IPX5 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
📊 Three Power Options:
🔸 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)
🔧 BRAKE SYSTEM OPTIONS | Safety Tailored for Your E-Bike
📊 Quick Comparison
Feature | Brake Lever | Brake Sensor
Motor Cutoff | ✅ Built-in | ✅ Add-on
Install Type | Replace lever | Attach to existing lever
Brake Compatibility | Mechanical only| Hydraulic & Mechanical
🎯 How to Choose
📦 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
This motor kit does not include a battery.
✅ Battery is optional and sold separately
✅ We recommend ordering it together with your kit.
✅ Choose from various capacities and mounting styles in our store.
| Color |
TSDZ8 48V750W 44T, TSDZ2B 36V250W 42T, TSDZ2B 48V500W 42T |
|---|---|
| Display Model |
DZ40 Mini (5 PAS), SW2-M58(New Arrival), EKD01 Bluetooth |
| Ships From|Brake Type |
UNITED KINGDOM|Brake Sensor, Poland|Brake Lever, United States|Brake Sensor, UNITED KINGDOM|Brake Lever, Poland|Brake Sensor, United States|Brake Lever |
Your Custom field here
Frequently ask questions
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