Description
NOTE: Conventional tuning modules offer only limited functionality compared to today’s e-bike standards. They often rely on complex and unintuitive display button sequences for activating, deactivating, or adjusting speed limits. This makes operation cumbersome, especially during a ride. In some cases, users must stop the bicycle and manually rotate the rear wheel multiple times to initiate or confirm the selected setting — a process that is inefficient and inconvenient for real-world riding conditions.
In contrast, the EPAspeed B.Tuning series represents the next generation of e-bike tuning — fully app-controlled, firmware-resistant, and designed for effortless operation. With Bluetooth connectivity, intuitive controls, and invisible tuning functionality, EPAspeed delivers precision, reliability, and freedom unmatched by conventional solutions.
Key Features
• Tuning Control – Instantly activate or deactivate tuning
• Adjustable Speed Limits – Set your preferred maximum assistance speed
• Invisible Tuning Mode – Undetectable operation for smooth and safe performance
• Trip Recording – Automatically save and review detailed ride statistics
• Comprehensive Ride Data – Monitor distance, duration, average & max speed, and elevation
👉 Click here to view the EPAspeed 1.0 B.Tuning for TQ
SpeedBox 3.1 TQ HPR40, HPR50, HPR60
Tuning Chip for TQ HPR/4050/60 Motors Unlock – Unlimited Speed
SpeedBox 3.1 is a third-generation tuning chip for e-bikes equipped with a TQ HPR50 motor. It allows full customization of the speed limit. After installation, real data such as maximum and average speed, daily mileage, and estimated range are displayed on the screen.
How SpeedBox 3.1 for TQ Works
To activate the tuning, briefly press the assistance modes in this sequence: ↑↓↑↓ or ↓↑↓↑. The display will briefly show 99 KMH, indicating that tuning is active and you can ride at unlimited speed, limited only by your pedaling cadence.
Use the same sequence to deactivate tuning – the display will show 25 KMH.
Alternatively, you can activate or deactivate tuning by holding the WALK button and then pressing ↑↓.
We recommend activating or deactivating the tuning before you start your ride.
Setting the Maximum Speed
You can set the speed limit by switching modes in this sequence: ↓↓↓ and ↑↑↑. The current limit will then appear on the display.
You can change the limit by rotating the rear wheel. Each rotation increases the limit by 5 km/h. You can also use the WALK + ↑↓ combination to adjust the limit.
The last selected limit is automatically saved after 5 seconds of inactivity.
Installation Instructions
SpeedBox 3.1 uses original connectors for fast and easy installation. We provide detailed manuals and video tutorials to guide you through the process. Removing the tuning chip is just as simple.
Important: If installing the chip on a brand-new e-bike, make sure to ride the bike at least 10 km before activating the chip.
Tuning Chip for TQ HPR/4050/60 Motors Unlock – Unlimited Speed
SpeedBox 3.1 is a third-generation tuning chip for e-bikes equipped with a TQ HPR50 motor. It allows full customization of the speed limit. After installation, real data such as maximum and average speed, daily mileage, and estimated range are displayed on the screen.
How SpeedBox 3.1 for TQ Works
To activate the tuning, briefly press the assistance modes in this sequence: ↑↓↑↓ or ↓↑↓↑. The display will briefly show 99 KMH, indicating that tuning is active and you can ride at unlimited speed, limited only by your pedaling cadence.
Use the same sequence to deactivate tuning – the display will show 25 KMH.
Alternatively, you can activate or deactivate tuning by holding the WALK button and then pressing ↑↓.
We recommend activating or deactivating the tuning before you start your ride.
Setting the Maximum Speed
You can set the speed limit by switching modes in this sequence: ↓↓↓ and ↑↑↑. The current limit will then appear on the display.
You can change the limit by rotating the rear wheel. Each rotation increases the limit by 5 km/h. You can also use the WALK + ↑↓ combination to adjust the limit.
The last selected limit is automatically saved after 5 seconds of inactivity.
Installation Instructions
SpeedBox 3.1 uses original connectors for fast and easy installation. We provide detailed manuals and video tutorials to guide you through the process. Removing the tuning chip is just as simple.
Important: If installing the chip on a brand-new e-bike, make sure to ride the bike at least 10 km before activating the chip
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