Tongsheng TSDZ8 48V 500W‑750W Torque Sensing Mid Drive Motor Kit, Ebike Conversion Kit with VLCD5 / B02NU Display for Bicycle Retrofit

Tongsheng TSDZ8 48V 500W‑750W Torque‑Sensing Mid‑Drive Motor Kit for E‑Bike Retrofit

This TSDZ8 mid‑drive conversion kit adopts the Tongsheng TSDZ8 torque‑sensing central motor system. Rated at 48V, 500W to 750W power output, it delivers strong torque for hill climbing and long‑distance cycling.

Different from speed‑sensing motors like Bafang BBS series, the built‑in torque sensor detects your pedaling force in real time, providing smooth, natural and responsive pedal assist, bringing you a premium riding experience. This TSDZ8 kit features good cost‑performance compared with BBS mid motors.

Compatibility

✅ Working Voltage: 48V

✅ Rated Power: 500W / 750W optional

✅ Universal wheel size: compatible with all wheel sizes

✅ Suitable for most standard bicycle frames bottom bracket width 68mm-73mm for e‑bike retrofit

✅ Two display options: VLCD5 LCD Display / B02NU TFT Display

Core Parameters

Package Includes

1 × Tongsheng TSDZ8 Mid‑Drive Motor

1 × Optional Display (VLCD5 or B02NU)

1 pair × Crank Arms

1 set × Lock nuts & mounting bracket hardware

1 × Thumb Throttle

1 × E‑brake lever or 1 × Brake cut‑off sensor

1 × 1T4 connection cable

1 × Chainring All mounting gaskets, bolts and fitting accessories

Key Features

✅ Torque Sensing Technology: Real‑time detection of pedaling force, the assist power matches your pedal input. Much more natural riding feel than speed‑sensing Bafang BBS series motors.

✅ Strong Power & Hill Climbing Performance: 48V 500W/750W power options, sufficient torque for uphill riding and long‑distance trips.

✅ Two Display Selections: Choose VLCD5 LCD or B02NU TFT display. Real‑time view of speed, battery level, assist level and riding data.

✅ Full Complete Accessories: Comes with all required mounting parts, throttle, e‑brake, brake sensor and wiring harness, ready for direct installation.

✅ Universal Frame & Wheel Compatibility: Works with most standard bicycle frames, compatible with all wheel sizes for flexible DIY e‑bike conversion.

✅ Optimized 48V Power System: Custom 48V controller delivers stable and consistent power output in various riding conditions.

✅ Excellent Cost Performance: Premium torque‑sensing mid drive solution at a competitive price, great upgrade alternative to Bafang BBS series.

Specifications

• Motor Model: Tongsheng TSDZ8
• Voltage: 48V
• Power: 500W / 750W Optional
• BB Width: 68mm-73mm
• Sensor Type: Torque Sensor
• Display: VLCD5 LCD / B02NU TFT Optional
• Motor Type: BB Mounting Mid Drive Motor
• Applicable Wheel: All wheel sizes
• Package: Full conversion kit as listed in package contents

Important Notes

• Please confirm your required power version (500W or 750W) and display type before ordering.
• Please check your bicycle bottom bracket size and frame space to confirm fitment before installation.
• Minor color differences may appear due to lighting conditions and screen display variations.
• Allow mechanical measurement tolerance.
• Only items listed in Package Includes are covered; demo accessories in reference pictures are not included.

Ideal retrofit kit for DIY ebike builders, bicycle repair shops and wholesale distributors. Turn your regular bicycle into a powerful torque‑sensing electric bike with this all‑in‑one TSDZ8 mid drive kit.