Surron Ultra Bee OEM Controller - 21100-YQ5A-11B0

Surron Ultra Bee OEM Controller - 21100-YQ5A-11B0

Surron Ultra Bee OEM Controller

What our Experts Think

• Seamless Integration: The Surron Ultra Bee OEM Controller (Part No. 21100-YQ5A-11B0) is designed specifically for the Ultra Bee, ensuring a perfect fit and optimal performance with no compatibility issues.

• Smooth and Efficient Power Delivery: Utilizing advanced Field-Oriented Control (FOC) sine wave technology, the controller provides smooth acceleration, precise throttle response, and enhances overall efficiency, giving riders a refined, high-performance ride.

• Handles High Power Output: Capable of managing the Ultra Bee's peak power output (12.5 kW) and 440 Nm of torque, this controller ensures consistent and reliable power delivery during demanding riding conditions.

• Durability: Built for toughness, the controller is engineered to handle harsh riding conditions, ensuring longevity and reliability for both everyday riders and those who push their bikes to the limit.

• Maintenance and Upgrades: Ideal for riders looking to replace or upgrade their controller with an OEM part, ensuring that the bike operates as it was originally intended by the manufacturer.

Q&A

Q: What is the Surron Ultra Bee OEM Controller?
A: This is the original controller designed for the Surron Ultra Bee electric motorcycle. It manages motor output, acceleration, and overall power delivery using a Field-Oriented Control (FOC) sine wave system for smooth and efficient performance.

Q: What motor does this controller support?
A: It’s built to control the Ultra Bee’s 12.5 kW Permanent Magnet Synchronous Motor (PMSM), providing optimal torque and throttle response.

Q: Is this a direct replacement?
A: Yes, it’s a factory-spec component for Surron Ultra Bee models and installs without modifications. Compatible with standard Ultra Bee, X, R, and HP models.

Q: What are the benefits of this controller?
A: It offers smooth power delivery, improved throttle control, and long-term reliability—perfect for riders who want OEM performance and factory tuning.

Maintenance Tips

1. Mount Securely: Tighten mounting bolts to 4–4.5 Nm. Avoid electric drivers to prevent damage.

2. App Calibration: Use the compatible controller app to calibrate throttle and motor after installation or updates.

3. Monitor Temperatures: Keep an eye on controller and motor temps to avoid overheating, especially when using aggressive settings.

4. Adjust with Caution: Field weakening boosts performance but can raise heat. Tune carefully.

5. Voltage Settings: Set appropriate voltage limits to match battery specs—prevents over-discharge or overcharge.

6. Keep It Clean: Wipe down regularly. Avoid high-pressure water to prevent electrical damage.

7. Firmware Checks: Update periodically for optimal performance and stability.

8. Diagnostics: Check error logs via the controller app to catch issues early.