Motors
SurRon motor upgrades
Find a SurRon motor upgrade for your Light Bee / LBX or Ultra Bee, then match it to your controller and battery. Compare the TM25, TM40 Pro and TM50 range for your next Sur-Ron upgrade.
Which SurRon motor fits your bike?
Every TORP motor is built for one bike and runs on a TORP controller. Published figures; the power your bike makes depends on the battery and controller.
| Motor | Bike | Controller | Peak power | Continuous | Max torque |
|---|---|---|---|---|---|
| TM25 | SurRon Light Bee | TC500, TC1000 | 31 kW (at 80 V) | 13 kW | 67 Nm (at 700 A) |
| TM40 Pro | SurRon Light Bee | TC1000 | 50 kW | 19 kW | 86 Nm |
| TM50 Pro | SurRon Ultra Bee | TC1000 | 58 kW | 24 kW | 102 Nm |
| TM50 Speed | SurRon Ultra Bee | TC1000 | 55 kW | 24 kW | 89 Nm |
All specifications side by side in the SurRon motor guide.
Choosing a motor for your SurRon
Which motor upgrade fits a SurRon Light Bee or LBX?
TORP offers the TM25 and TM40 Pro for the Light Bee. TM25 works with TC500 or TC1000; TM40 Pro needs TC1000. Check your battery's output and the requirements of the complete setup before buying.
Light Bee controller and motor setupsWhich motor upgrade fits a SurRon Ultra Bee?
TM50 Pro and TM50 Speed are the TORP Ultra Bee motor options, paired with TC1000. Pro emphasizes torque; Speed emphasizes higher RPM. Choose with your battery, gearing and riding in mind.
Compare Ultra Bee motor setupsShould I upgrade my SurRon controller or motor first?
If you want to keep your stock motor, start with a compatible controller and check the power available from your battery. If your goal needs a different motor, choose the controller, motor and battery as one compatible setup. The motor's peak rating alone does not tell you what your bike will produce.
Find a compatible controller