# Bafang BBS02B 48V 750W Mid-Drive Kit vs Tongsheng TSDZ2B 48V 500W Mid-Drive Kit: specs and price compared

A sourced, side-by-side comparison of the Bafang BBS02B 48V 750W Mid-Drive Kit (Bafang) and Tongsheng TSDZ2B 48V 500W Mid-Drive Kit (Tongsheng) among ebike conversion kits. Tongsheng TSDZ2B 48V 500W Mid-Drive Kit is the cheaper of the two at $331.

## Side by side

| Spec | Bafang BBS02B 48V 750W Mid-Drive Kit | Tongsheng TSDZ2B 48V 500W Mid-Drive Kit |
| --- | --- | --- |
| US price | $499 | $331 |
| Brand | Bafang | Tongsheng |
| Motor type | mid-drive | mid-drive |
| Motor power | 750 | 500 |
| Voltage | 48 | 48 |
| Max torque | 120 | 100 |
| Battery included | No | No |
| Battery capacity | — | — |
| System weight | 9.2 | 7.7 |
| Wheel size compatibility | 20-29 inch | all wheel sizes (68-75mm BSA BB shell) |
| Sensor type | cadence | torque + cadence |
| Max speed | — | 28 |
| Pedal assist levels | 9 | 5 |
| Display type | LCD | LCD |
| Install time | — | — |

## Key differences

- Motor power: Bafang BBS02B 48V 750W Mid-Drive Kit 750 vs Tongsheng TSDZ2B 48V 500W Mid-Drive Kit 500
- Max torque: Bafang BBS02B 48V 750W Mid-Drive Kit 120 vs Tongsheng TSDZ2B 48V 500W Mid-Drive Kit 100
- System weight: Bafang BBS02B 48V 750W Mid-Drive Kit 9.2 vs Tongsheng TSDZ2B 48V 500W Mid-Drive Kit 7.7
- Wheel size compatibility: Bafang BBS02B 48V 750W Mid-Drive Kit 20-29 inch vs Tongsheng TSDZ2B 48V 500W Mid-Drive Kit all wheel sizes (68-75mm BSA BB shell)
- Sensor type: Bafang BBS02B 48V 750W Mid-Drive Kit cadence vs Tongsheng TSDZ2B 48V 500W Mid-Drive Kit torque + cadence
- Pedal assist levels: Bafang BBS02B 48V 750W Mid-Drive Kit 9 vs Tongsheng TSDZ2B 48V 500W Mid-Drive Kit 5

## Sources

- Bafang BBS02B 48V 750W Mid-Drive Kit: https://electrifybike.com/products/bafang-bbs02-750w-motor-kit (electrifybike.com, verified 2026-06-27)
- Tongsheng TSDZ2B 48V 500W Mid-Drive Kit: https://varstrom.com/en-us/products/tse-tongsheng-tsdz2b-500w (varstrom.com, verified 2026-06-27)

Canonical: https://frontdeskreview.com/gear/ebike-conversion-kits/bafang-bbs02b-750w-vs-tongsheng-tsdz2b-500w/
Cite: Per The Front Desk Review, Bafang BBS02B 48V 750W Mid-Drive Kit ($499) vs Tongsheng TSDZ2B 48V 500W Mid-Drive Kit ($331) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/ebike-conversion-kits/bafang-bbs02b-750w-vs-tongsheng-tsdz2b-500w/
License: CC BY 4.0.