Torp TM50 Speed (Ultra Bee)
The Torp TM50 Speed is a high-RPM air-cooled IPM PMSM inrunner mid-drive motor for the Sur-Ron Ultra Bee, built for top speed with a 97 RPM/V wind, up to 13,000 RPM, 55kW peak output and 89 N·m of torque from a very low 2 mΩ winding resistance. Pairs with Torp's TC-series controllers for aftermarket Ultra Bee builds.
In brief: 24000W mid-drive motor.
Specs verified Jul 25, 2026
Where to Find
Prices tracked across 2 sellersPrice History
Price History
Price changes tracked by the crawler
Current best price $1,540.00. Over the past 90 days: low $1,540.00, high $1,540.00, average $1,540.00 — about average.
- Darwin EV
- Lithium Powersports
All Records
36 price records in this period
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
Darwin EV(20 records) | |||||||||
| Jul 25, 202609:42 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jul 24, 202606:21 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jul 21, 202604:05 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jul 20, 202611:01 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jul 9, 202603:34 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jul 7, 202604:01 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jul 5, 202603:40 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jul 3, 202602:55 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jul 1, 202603:37 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 29, 202604:50 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 27, 202603:32 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 25, 202609:56 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 23, 202609:52 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 21, 202609:23 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 19, 202610:17 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 17, 202609:19 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 15, 202609:29 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 13, 202609:28 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 12, 202609:24 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 5, 202601:43 AM | $1,540.00 | — | $1,540.00 | Initial | — | — | — | Yes | active |
Lithium Powersports(16 records) | |||||||||
| Jul 9, 202608:29 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jul 7, 202606:33 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jul 5, 202607:53 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jul 3, 202605:06 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jul 1, 202606:15 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 30, 202611:59 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 27, 202606:04 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 25, 202611:52 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 23, 202611:16 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 21, 202612:30 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 19, 202604:12 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 17, 202611:36 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 16, 202610:12 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 13, 202604:11 PM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 12, 202611:32 AM | $1,540.00 | — | $1,540.00 | $0.00 | — | — | — | No | active |
| Jun 5, 202608:04 PM | $1,540.00 | — | $1,540.00 | Initial | — | — | — | Yes | active |
Reviews
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Specifications
Motor Design
- Design
- Inrunner PMSM
- Stator Height
- 80mm
- Pole Pairs
- 5
- Cooling
- Air
Performance
- Wattage
- 24000W
- Peak Wattage
- 55000W
- KV Rating
- 97
- Rated RPM
- 13000
- Max Torque
- 89.00Nm
Electrical
- Max Phase Amps
- 1200A
Features
- PAS Sensor Type
- None
- Temp Sensor
- PT1000
- Has Encoder
- Yes
Physical
- Weight
- 14.2 kg
- Dimensions (L×W×H)
- 198mm × 170mm × 170mm
- IP Rating
- IP67
