SpeedBox 1.3 B.Tuning for Bafang (4 pin connector)

Derestrict your e-bike to reach speeds up to 31mph (50km/h)!

Compatible with motors: Bafang Max Drive M300, Bafang Max Drive M400, Bafang Max Drive M420. Display shows real values up to 23 km/h, then the actual values are only displayed in the SpeedBox App

£265.00
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&Free Delivery Worldwide

You can save money when buying more than one tuning kit. Can be combined with other brand/type tuning kits!
Buy 2 save 3%
£265.00 £257.05
Buy 3 save 7%
£265.00 £246.45

GO FROM CAPTAIN SLOW OF YOUR CYCLING GROUP TO JIMMY JET!

- TOM E.

#1 SELLER
LIFETIME WARRANTY
PREMIUM CUSTOMER SUPPORT
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Compatible with motors - Bafang Max Drive M300, M400, M420

Unlock the full potential of your ebike!

  • You will ride faster and experience the thrills of owning a derestricted ebike -you will love the difference!
  • Install it effortlessly- quick plug-and-play connection - no setup required.
  •  Feel safe for your e-bike and warranty- it's safe for ebike and undetectable to keep your warranty safe!

Quick plug-and-play installation. No setup!

  • Increase the speed limiter from original 16 mph (25km/h) to 31mph (50kmh)!
  • See accurate speed via Speedbox App!
  • Enable/disable when needed! Just press the LIGHT button.
  • Get after-sales support from us and lifetime warranty from Speedbox!

The bike feels completely different once derestricted - it's just like a whole different bike! The rides are so much more fun now! Tuning kits are safe to your bike and every ebiker should have one installed! You will love riding your ebike with it - guaranteed!

Matt - Owner of Two Wheels Empire

Frequently Asked Questions

Basic tuning kit for e-bikes with Bafang motors.

SpeedBox 1.3 B.Tuning enables you to double the speed limit of an e-bike from the original 16 mph (25 km/h) to 31 mph (50 km/h). When in use, the actual speed will appear on your display up to 14mph (23 km/h). The display also shows your trip and other aspects of your ride.

SpeedBox 1.3 tuning kit can be activated on the e-bike’s control unit. After pressing the LIGHT button, the active lights icon will be displayed shortly after which you will be able to ride at a speed of 31mph (50 km/h). The chip is deactivated by pressing the LIGHT button again.

By attaching the Light cable for Bafang, you can use the SpeedBox and your lights at the same time.

This tuning kit is compatible with motors:
- Bafang Max Drive M300
- Bafang Max Drive M400
- Bafang Max Drive M420

In case of updating the software of your e-bike, uninstall SpeedBox from the e-bike first, update the software and reinstall SpeedBox.

If your ebike is with 3 Pin connector, you would need Speedbox 1.2 for Bafang or Speedbox 1.2 B.Tuning for Bafang

We use original connectors for the production of SpeedBox chips ensuring that the installation process is very simple and the chip is connected properly. We have also prepared detailed instructions and videos to make installation easy for you. Disassembly of the tuning chip is just as easy. If you have any troubles with installation or disassembly, do not hesitate to contact us.

If you are planning to install SpeedBox on a brand-new bike, make sure you ride it for at least 0.6 miles (1 km) before the chip is activated.

Installation Guide PDF

Installation Guide:

Please note that the operation of this type of modified electric bikes on public roads may be against the law in some countries. The manufacturer takes no responsibility for damages resulting from the use SpeedBox products. Electric bikes equipped with SpeedBox products are not allowed to be used on public roads, cycling paths and public places. Electric bikes equipped with SpeedBox products can be used exclusively on private property and entirely at one’s own risk.

The use of SpeedBox may void the warranty of your ebike.

We strongly recommend using other safety features and protective gear to prevent injuries in higher speeds.

SpeedBox Products are thoroughly tested and we stand by their quality. SpeedBox provide Life Long warranty to all their Products!

If You have any questions, please do not hesitate to contact us. Thank you for looking! Two Wheels Empire Team

SpeedBox App specifically designed for SpeedBox B.Tuning uses Bluetooth technology to connect your e-bike to your mobile phone. After downloading the application and connecting your phone to your electric bike, you can track the current data and riding parameters on your phone. You can save your trips, compare them with friends and monitor your own performance, so just enjoy the ride to the fullest and leave checking the parameters for later!

Main Features

  • Tuning Control - Changes the e-bike's speed limit from 25 km/h to unlimited mode.
  • Tuning Invisible Mode - Once you activate this mode, you won't be able to activate tuning with the walk/light button on your electric bike anymore
  • Motor Lock System - You can temporarily turn off the electric bike's motor in your mobile app to add another level of security to your lock.
  • Storing your e-bike’s ride data - Well-arranged database of your trips to monitor your own performance or compare it with friends.
  • Motor Diagnostics - Displaying real e-bike technical data on your mobile phone

SpeedBox B.Tuning chip can be used even without the SpeedBox App. However, it is a great accessory that will give you a complete overview of your performance.

Most sport apps use only rough estimates of values. That’s why these data may differ from the real electric bike data by up to 20%. SpeedBox App displays completely accurate data, which is read directly from the electric bike's control unit.

Download now on:

Google Play App Store

What Our Clients Say About It?

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Who Are We?

From Riders to Riders

In Two Wheels Empire, we trust in innovation, premium quality and sustainability - that's what our business is about. Feel assured all our ebike products are carefully selected and we stand by them: if it's on offer here at Two Wheels Empire - it's been tested and selected by our team. Riders working with us are here to help you enjoy your ebike rides!

We are here to build an Empire, of people who strive for freedom, thrills and adventure, it's about time to make the best of your rides!