Upgrade Your Ebike with the Grintech Phaserunner Motor Controller

Upgrade Your Ebike with the Grintech Phaserunner Motor Controller - Electrified

Upgrade Your Ebike with the Grintech Phaserunner Motor Controller. E-bike enthusiasts, are you ready to upgrade your ride? Discover the Grintech Phaserunner Motor Controller, a high-performance device compatible with various motor systems, and featuring a compact design for easy installation. This revolutionary motor controller will transform your e-bike experience, offering precise control and efficiency. Get ready to unleash your e-bike’s full potential with the Phaserunner!

Short Summary

  • Grintech Phaserunner Motor Controller offers reliable and safe operation, compatibility with brushless DC motors for efficient performance, and a compact design for easy installation.

  • Features two models (L10 & MT) to optimize motor systems and e-bike experience. Software suite allows customization/configuration of performance plus troubleshooting tips.

  • Advanced features include temperature sensor integration & enhanced throttle control for improved monitoring/smoother riding experience. Warranty + support limitations apply.

Grintech Phaserunner Overview

A brushless motor connected to a Grintech Phaserunner motor system

The Phaserunner motor controller is a state-of-the-art device from Grin Technologies, utilizing sophisticated control electronics from Accelerated Systems Inc. This powerful motor controller is designed to work with motor and hall terminals of various e-bike motors, ensuring compatibility with a wide range of brushless motors. The Phaserunner boasts a compact design, allowing for easy installation on almost any bicycle frame. Its versatility and compatibility make it an excellent choice for upgrading your e-bike’s motor system.

When upgrading your e-bike, it’s crucial to verify the voltage rating of the controller to guarantee compatibility with the battery pack, and motor, especially when running brushless motors. Aligning the controller’s power with the motor’s power minimizes the controller’s heating and enhances the system’s dependability. The Grintech Phaserunner Motor Controller can also process motor temperature signals to prevent overheating, ensuring a reliable and safe ride.

Brushless Motor Compatibility

Brushless DC motors are the most widely used type of motor for e-bikes due to their reliable performance, high efficiency, and straightforward design. The Phaserunner is designed to work with brushless motors, providing efficient and reliable performance for e-bikes and other small electric vehicles.

For the average consumer, brushless DC (BLDC) or DC controllers are typically used, but the Grintech Phaserunner Motor Controller offers advanced features, such as control device proportional regen, which enhances the e-bike’s performance. This means you’ll get smoother acceleration, better hill-climbing capabilities, and a more enjoyable overall riding experience.

Compact Design and Easy Installation

The Grintech Phaserunner Motor Controller’s compact design and wide operating voltage range make it a universal device, capable of fitting on almost any bicycle frame and handling almost any motor system. This design allows for easy installation, ensuring a nice clutter free installation and setup on your e-bike.

Moreover, the Phaserunner includes an automatic thermal rollback feature to protect the motor from overheating, ensuring your ride stays safe and reliable. With the Phaserunner, upgrading your e-bike is a breeze.

Phaserunner Models and Applications

Phaserunner offers two models to cater to different motor applications and connections: the L10 and MT. The L10 model features a separate cable harnesses and exit for compatibility with Grin’s motors that utilize the L1019 connector, while the MT model has a connectorized setup for individual cable harnesses between the controller and motor.

Each model is designed to provide the best performance for specific motor systems, ensuring an optimal e-bike experience.

Phaserunner L10

The Phaserunner L10 is standard motor cable designed to enhance electric bikes equipped with Grintech motors. It features a 53cm long motor cable with a female L1019 plug, providing compatibility with Grin motors. This means that if you have a Grin motor on your e-bike, the L10 model is the perfect match for you.

The L10 also includes a PAS Connector that serves as an input for the direct connection of PAS or Torque sensors to the motor controller, which is a necessary component for pedalec e-bikes that do not utilize a Cycle Analyst. This added functionality makes the Phaserunner L10 a versatile choice for your e-bike upgrade.

Phaserunner MT

The Phaserunner MT is equipped with three distinct connectors for motor-controller connections and optional motor cable harnesses for various motor applications. This model is designed to be compatible with a wide range of motor systems, ensuring that you can find the motor connection with the perfect fit for your e-bike.

Motor cable harnesses are available for various motor applications, including an Anderson terminated cable harness that is compatible with hub motors sold prior to 2019. The flexibility offered by the MT model makes it an ideal choice for those looking to upgrade their e-bike with a reliable and versatile motor controller.

Software Suite and Configuration

The Phaserunner software suite provides customization and tuning capabilities for your e-bike’s performance, allowing you to fine-tune your ride to your preferences. Additionally, the software suite offers troubleshooting tips for common issues, such as no response to throttle, controller not turning on, and motor not detected during autotune.

With the Phaserunner software suite, you have full control over your e-bike’s performance and the ability to resolve issues quickly and efficiently.

Customization and Tuning

The Phaserunner Suite software allows for extensive customization options, including adjusting the power output and programming specific settings for the motor controller. This means you can modify the motor parameters, such as acceleration and deceleration rates, to suit your riding preferences and style.

Moreover, the software enables you to adjust the throttle response curve, providing a smoother and more precise acceleration experience. You can also fine-tune the regenerative braking settings, allowing for optimal energy recovery and braking performance, while ensuring continuous current capability.

The Phaserunner Suite software puts you in the driver’s seat, giving you the tools to create the perfect e-bike experience.

Troubleshooting Tips

If you encounter issues with your Phaserunner, the software suite offers helpful troubleshooting tips for common problems. For example, if there is no response to the throttle, the issue may be with the wiring or connections, which can be easily resolved by inspecting and adjusting the components.

If the controller is not turning on, the most frequent cause is that the on/off switch wiring is not properly connected to enable the device. Another common issue is the “Motor Not Detected During Autotune” error, which is typically caused by communication issues or lags between the software suite and the Phaserunner device.

By addressing these common issues, you can ensure that your e-bike operates smoothly and efficiently, providing an enjoyable riding experience.

Hub Motors vs. Direct Drive Motors

A hub motor and a direct drive motor compared

When it comes to e-bikes, choosing the right motor system is crucial. Hub motors and direct drive motors both have their advantages and disadvantages, depending on your needs and preferences. Lower power hub motors are ideal for their planetary gear system, durability, and independent usage.

On the other hand, high power direct drive motors are suitable for higher power applications and offer regenerative braking capabilities, but are less efficient and heavier than hub motors.

Lower Power Hub Motors

Lower power hub motors are integrated into the hub of a wheel, typically the rear wheel of an e-bike. These motors utilize a planetary gear system, providing a lightweight and efficient design that is advantageous for e-bikes. In contrast, high power hub motors offer more torque and speed for those seeking greater performance. Additionally, lower power hub motors offer durability and can function independently, making them an excellent choice for e-bike enthusiasts who prefer a low-maintenance and reliable option.

However, lower power hub motors may exhibit reduced torque and a lower maximum speed compared to higher power models. This trade-off should be considered when selecting the ideal motor system for your e-bike.

High Power Direct Drive Motors

High power direct drive motors are designed for applications requiring higher power output, such as electric bikes and scooters. These motors provide improved efficiency and a lighter weight than hub motors, making them suitable for riders who crave a more powerful and dynamic e-bike experience.

However, high power direct drive motors are less efficient and heavier than hub motors, which may be a drawback for some riders. Additionally, the regenerative braking capabilities offered by these motors may not be necessary for all riders, and the added weight and complexity may outweigh the benefits for some.

It’s essential to weigh the pros and cons of each motor type when selecting the perfect motor system for your e-bike.

Advanced Features and Performance

A Grintech Phaserunner motor system with a motor temperature sensor integrated

The Phaserunner motor controller offers advanced features and performance enhancements that set it apart from other motor controllers on the market. These features include motor temperature sensor integration, which allows for better motor performance monitoring and protection against overheating.

The Phaserunner also provides enhanced throttle control, ensuring a smoother and more precise acceleration, ultimately improving the overall riding experience.

Motor Temperature Sensor Integration

Motor temperature sensor integration involves connecting a temperature sensor to a motor controller to track the motor’s temperature and prevent it from becoming too hot. This feature allows for more efficient motor performance monitoring and safeguards against overheating, ensuring a reliable and safe ride. Additionally, a wheel speed sensor can be integrated for enhanced vehicle control.

The Grintech Phaserunner Motor Controller features an integrated temperature sensor port, facilitating the connection of a motor temperature sensor. Incorporating a motor temperature sensor not only enhances the performance of your e-bike, but also adds an extra layer of safety, ensuring you can enjoy your ride with peace of mind.

Enhanced Throttle Control

The Phaserunner motor controller offers enhanced throttle control through a constant torque throttle control system. This provides a smoother and more precise acceleration experience, improving the overall riding experience. No more twitchy throttles that can make your ride uncomfortable and unpredictable.

Enhanced throttle control, which relies on an accurate throttle signal, also enables you to maintain a steady speed when traversing inclines or uneven surfaces, as well as sustain a consistent speed when descending. This advanced feature ensures you have complete control over your e-bike, providing a more enjoyable ride.

Warranty and Support Limitations

A picture of Grintech Phaserunner with clear view of its components and features, highlighting the Warranty and Support Limitations of the product.

When it comes to warranty and support for the Phaserunner motor controller, it’s essential to understand the limitations. The Phaserunner offers a full warranty and support for kit system purchases. However, limited support is available for third-party motor systems, which may impact your decision if you have a non-Grin motor system on your e-bike.

It’s crucial to consider these limitations when deciding whether the Phaserunner is the right motor controller for your e-bike upgrade.


In conclusion, the Grintech Phaserunner Motor Controller is a high-performance and versatile device that can significantly enhance your e-bike experience. With its compatibility with various motor systems, compact design, advanced features such as motor temperature sensor integration and enhanced throttle control, and easy-to-use software suite, the Phaserunner is the ultimate upgrade for your electric bike. While warranty and support limitations should be considered, the Phaserunner’s exceptional performance and customization options make it a top choice for e-bike enthusiasts. Give your e-bike the power and control it deserves with the Phaserunner motor controller!

Frequently Asked Questions

What is the difference between Grin Baserunner and Phaserunner?

The Grin Baserunner is designed to work with up to 60V nominal batteries, making it well-suited for lower voltage configurations. The Phaserunner on the other hand is capable of working with up to 72V nominal batteries and has higher current limits due to its larger size.

Ultimately, it depends on what your needs are and which system is better suited to them.

What is Phaserunner?

Phaserunner is a revolutionary piece of technology developed by Grin Technologies for electric vehicle motor control. It is an FOC (field oriented control) controller from Accelerated Systems Inc., equipped with advanced and powerful features for superior performance.

The controller is designed to provide superior torque, speed, and efficiency, while also being easy to install and configure all the motors with. It is also designed to be compatible with a wide range of motor types.

What is the max current for the Phaserunner?

The Phaserunner offers a maximum phase current of 90A peak phase currents and is capable of handling batteries from 36V to 90V.

Furthermore, the continuous current capability without additional heatsinking is around 45-50A.

Are bafang controllers interchangeable?

Based on the advice given, it appears that Bafang controllers are not interchangeable between different UNI MK models. As such, it is important to ensure the controller selected is compatible with the specific model of E-Bike hub motor.

What types of motors is the Phaserunner Motor Controller compatible with?

The Phaserunner Motor Controller is suitable for brushless DC, brushless AC and geared motors, making it a great choice for any electric vehicle. It is designed to be easy to use and offers a range of features to make it a great choice for any application. It has a built-in display for easy monitoring and control, and it is compatible with a variety of sensors and other components.

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