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Tongsheng TSDZ8 750W TSDZ2B 500W 250W Motor Kit Mid Drive Torque Sensor Bicycle Engine Electric Bike Conversion Kit BB 68-73mm
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Tongsheng TSDZ8 750W TSDZ2B 500W 250W Motor Kit Mid Drive Torque Sensor Bicycle Engine Electric Bike Conversion Kit BB 68-73mm
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Tongsheng TSDZ8 750W TSDZ2B 500W 250W Motor Kit Mid Drive Torque Sensor Bicycle Engine Electric Bike Conversion Kit BB 68-73mmSPECIFICATIONS 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
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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]
🔩 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
✅ 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
Choose the Brake Lever if: You’re building a new e-bike or want a clean, all-in-one setup.
Choose the Brake Sensor if: You already like your current brakes (especially hydraulic) and just need the cutoff function.
Both options provide reliable motor cutoff — it’s about how you want to integrate it into your ride.
📦 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.
Tongsheng TSDZ8 750W TSDZ2B 500W 250W Motor Kit Mid Drive Torque Sensor Bicycle Engine Electric Bike Conversion Kit BB 68-73mm
Item no
:
27634095512
US$ 388.67
Pay in 4 interest-free payments of $97.17 Learn more
Min. order:
1piece
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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