The Torp TM40 is a game-changer when it comes to Surron Light Bee.
Torp engineers have maximized the power output for the Surron Light Bee by designing a motor with 65mm-wide magnets. This innovation delivers peak performance within a small, lightweight frame.
Engineered for the sole purpose of pushing both you and your bike to the absolute limits, this powerhouse is built for those who crave power and dominance.
Lead the pack at drag races, shatter records, and impress your friends with the most powerful SurRon Light Bee on the track!
– Compatible with the TC1000 controller (Surron Light Bee or Talaria Sting)
Torp TM40 Motor is the most powerful motor upgrade ever made for the Surron Light Bee electric motorbike. Equipped with 65mm-wide magnets, the TM40 Motor maximizes the overall power output of the Surron Light Bee. This powerful, yet lightweight motor delivers peak performance that will push your Surron Light Bee to the absolute limit.
Torp TM40 Motor Features
- Powerful + Lightweight Motor: up to 50kW Peak Power, only 26.5lbs
- Engineered for Max Power: thicker wires, 65mm-wide magnets, lowest electrical resistance on the market
- Made with Superior materials for durability and longevity
- Encoder or Hall Sensor: provides a wide range of compatibility with superb precision when paired with Torp Controllers, even at high speeds
- Mounting options available for other electric motorbikes
TM40 comes in two versions:
TM40 & TM40PRO
Both are engineered to break acceleration records and dominate the drag strip, while each model is expertly tuned to your unique riding style.
TM40: off-road beast built for maximum torque
Do you enjoy exploring long, demanding trails? TM40 is the motor for you as it has both endurance and power to climb steep terrain. With 93 Nm of instant torque, there is no obstacle it can not tackle. Need a boost in top-end speed? Simply pair the motor with a smaller sprocket.
TM40PRO – high-speed master
Packing 50kW of power, the TM40PRO is built for those who crave ultimate dominance on the road—right from the first twist of the throttle to crossing the finish line. Boasting a 15% higher top speed than the TM40, this powerhouse guarantees you’ll surge past the competition and secure first place.
TM40 vs TM40 Pro
TM40 – Off-Road Beast
Built for endurance and climbing power, the TM40 Motor is perfect for tackling long, demanding trails and steep terrain. With 93 Nm of instant torque, the TM40 can handle any obstacle. Additionally, the TM40 can be paired with a smaller sprocket to boost your top-end speed.
TM40 PRO – High-Speed Racer
Built for speed, the TM40 Pro Motor packs 50kW to push you ahead of your competition. With a 15% higher top speed than the TM40, the TM40 Pro will get you to the finish line first.
Torp TM40 Motor Specs
| Torp TM40 Motor | Torp TM40 Pro Motor | |
| Peak Power: | 42 kW | 50 kW |
| Continuous Power: | 17 kW | 19 kW |
| Max Phase Current: | 1000 A | 1100 A |
| Max Torque: | 93 Nm | 86 Nm |
| Torque @ 500amps | 52 Nm | 48 Nm |
| KV Rating: | 84 RPM/V | 97 RPM/V |
| Max RPM: | 10,000 RPM | 11,000 RPM |
| Motor Resistance: | 2.7 mΩ | 2.4 mΩ |
| Phase Cross-Section: | 35 mm² | 35 mm² |
| Magnet Length: | 65 mm | 65 mm |
| Weight: | 26.5 lbs (12 kg) | 26.5 lbs (12 kg) |
| Motor Size: | 4.53″×6.5″ (115×165 mm) | 4.53″×6.5″ (115×165 mm) |
- Motor type: IPM
- Position sensor: Encoder
- Encoder points: 1024 (4096)
- Max magnet temp.: 150°C
- Temp. sensor: PT1000
- Efficiency: up to 95%
- Protection class: IP67*
- Terminal lug size: M6 35 mm²
- Installation: Mid
- Number of pole pairs: 5
- Cooling method: Air
- Warranty: 2 years
*Torp products have an IP67 rating achieved by testing in distilled water under laboratory conditions. This rating does not imply suitability for continuous underwater use, as it may result in damage. Additionally, the Torp TM40 Motor connectors are not waterproof and you must keep them dry to ensure proper functionality and safety.
Torp TM40 Motor Installation Manual (PDF) ›
Important: Both TM40 and TM40PRO are so powerful, that for safe and optimal use, a full upgrade of the SurRon Light Bee is required (from upgraded chain, sprocket, belt, and brakes all the way to the very powerful battery).
| Version | TM40 Pro – High Top Speed, TM40 – Off Road Torque |
|---|---|
| Motor Sensor Type | Encoder (for Torp controllers), Hall Sensor (for other controllers) |
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