Tongsheng TSDZ2B 250W
The Tongsheng TSDZ2B 250W is a BB-mount torque-sensing mid-drive motor for e-bike conversions. It fits standard 68–73mm bottom brackets and uses an integrated torque and cadence sensor for smooth, natural pedal assistance. EU-compliant 250W rating makes it popular for legal pedelec builds in Europe. IPX5 waterproof rated.
In brief: 250W mid-drive motor. Fits 68–73mm bottom bracket. 36V rated. From $285 across 3 sellers.
Specs verified Jul 14, 2026
Where to Find
Prices tracked across 4 sellersAliExpress
$284.69
AliExpress - Varstrom EU Store
$328.03
AliExpress - AliExpress - Greenergy Global Store
$396.44
AliExpress - PSWpower EU France Store
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Price History
Current best price $284.69. Over the past 90 days: low $284.69, high $396.44, average $315.59 — down 10% vs average.
- AliExpress - PSWpower EU France Store
- AliExpress
- AliExpress - AliExpress - Greenergy Global Store
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress(19 records) | |||||||||
| Jun 3, 202608:37 AM | $284.69 | — | $284.69 | $26.10 | — | — | — | Yes | active |
| Jun 3, 202601:22 AM | $310.79 | — | $310.79 | $0.16 | — | — | — | Yes | active |
| May 29, 202610:33 AM | $310.95 | — | $310.95 | $0.06 | — | — | — | Yes | active |
| May 28, 202609:01 AM | $311.01 | — | $311.01 | $0.00 | — | — | — | Yes | active |
| May 28, 202607:53 AM | $311.01 | — | $311.01 | $0.22 | — | — | — | Yes | active |
| May 27, 202610:20 AM | $310.79 | — | $310.79 | $0.03 | — | — | — | Yes | active |
| May 25, 202609:03 AM | $310.82 | — | $310.82 | $0.89 | — | — | — | Yes | active |
| May 24, 202607:41 AM | $309.93 | — | $309.93 | $9.36 | — | — | — | Yes | active |
| May 22, 202609:02 AM | $300.57 | — | $300.57 | $0.22 | — | — | — | Yes | active |
| May 21, 202609:07 AM | $300.79 | — | $300.79 | $0.00 | — | — | — | Yes | active |
| May 19, 202609:09 AM | $300.79 | — | $300.79 | $0.88 | — | — | — | Yes | active |
| May 18, 202609:08 AM | $299.91 | — | $299.91 | $4.73 | — | — | — | Yes | active |
| May 17, 202609:01 AM | $304.64 | — | $304.64 | $0.00 | — | — | — | Yes | active |
| May 16, 202609:07 AM | $304.64 | — | $304.64 | $7.57 | — | — | — | Yes | active |
| May 15, 202609:01 AM | $297.07 | — | $297.07 | $0.44 | — | — | — | Yes | active |
| May 14, 202609:07 AM | $297.51 | — | $297.51 | $0.19 | — | — | — | Yes | active |
| May 12, 202609:07 AM | $297.32 | — | $297.32 | $17.06 | — | — | — | Yes | active |
| May 1, 202608:46 AM | $314.38 | — | $314.38 | $0.21 | — | — | — | Yes | active |
| Apr 29, 202608:43 AM | $314.17 | — | $314.17 | Initial | — | — | — | Yes | active |
AliExpress - AliExpress - Greenergy Global Store(1 record) | |||||||||
| Jun 26, 202602:21 AM | $396.44 | — | $396.44 | Initial | — | — | — | Yes | active |
AliExpress - PSWpower EU France Store(2 records) | |||||||||
| Jul 14, 202604:15 AM | $326.41 | — | $326.41 | $0.00 | — | — | — | No | active |
| Jul 14, 202604:15 AM | $326.41 | — | $326.41 | Initial | — | — | — | Yes | active |
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Specifications
Performance
- Wattage
- 250W
- Rated Voltage
- 36V
- Max Torque
- 80.00Nm
- Max Speed
- 30km/h
Fitment
- Bottom Bracket Width
- 68mm – 73mm
Features
- PAS Sensor Type
- Torque
- Temp Sensor
- None
Physical
- Weight
- 3.82 kg
- IP Rating
- IPX5





