Descrizione
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
๐ตโโ๏ธโกใTongsheng TSDZ Series Mid-Drive Motor Kitsใโก๐ตโโ๏ธ
Convert Your Bicycle into a Natural Riding E-Bike!
Torque Sensor System | Smooth Power Assistance | Disc Brake or V Brake Compatible
๐ Choose Tongsheng Mid-Drive for the Most Natural E-Bike Conversion Experience!
Tongsheng - Power That Feels Like Your Own Strength.
[๐ Detailed Installation Guide] [๐ก๏ธ 12 Months Warranty] [๐ US, EU,UK Shipping Available]

๐ฉ Key Features:
โ Torque Sensor Technology โ Instantly responds to pedal pressure for natural riding feel
โ Zero-Start Capability โ Provides power from complete stop without throttle
โ 2025 Upgraded Design โ Enhanced gear positioning for better sealing and longer lifespan
โ IPX5 Waterproof โ Reliable performance in various weather conditions

๐ Universal Compatibility:
Bottom Bracket: 68-73mm length, 33.5-36mm diameter
ย ย ย Brake System: Disc brake or V-brake compatible
ย ย ย Frame Compatibility: Fits 95% of standard bicycle frames
๐ Three Power Options:
๐ธ TSDZ 750W Version
Max Speed: 45-55 km/h
Max Torque: 140N.m
Waterproof: IP65

๐น TSDZ2B 500W Version
Max Speed: 38-45 km/h
Max Torque: 80N.m
Waterproof: IP65
๐น TSDZ2B 250W Version
Max Speed: 25-32 km/h
Max Torque: 80N.m
Waterproof: IP65

ย
๐ฅ๏ธ Smart Display Options:
DZ40| SW2-M58| EKD01 (Only EKD01 Bluetooth connectivity + mobile app)

๐ง BRAKE SYSTEM OPTIONS | Safety Tailored for Your E-Bike
ย
๐ Quick Comparison
Feature ย ย ย ย ย ย ย ย ย ย ย ย | Brake Lever ย ย | ย Brake Sensor
Motor Cutoff ย ย ย ย ย ย |ย ย โ Built-in ย ย ย | ย โ Add-on
Install Type ย ย ย ย ย ย ย ย | Replace lever ย | ย Attach to existing lever
Brake Compatibility ย | Mechanical only| Hydraulic & Mechanical
ย
๐ฏ How to Choose
Choose the Brake Lever if: Youโre 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 โ itโs about how you want to integrate it into your ride.

๐ฆ 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.
โ Battery is optional and sold separately
โ We recommend ordering it together with your kit.
โ Choose from various capacities and mounting styles in our store.



Customer Reviews
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