BAC4000 upgrade kit for Sur Ron / Segway bike


– Power adjustment via screen.

– Assist level adjustment in percent %

– Changes wheel sizes for more accurate speeds.

– Possibility to use several types of screens.

– Protect the motor from overheating.

– 60V – 72V batteries can be used.

– Battery wear protection (reduces power when battery is low).

– Fully ready to use.

– Possibility to change speed units (km / h – mph).

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ASI BAC4000 upgrade kit for SurRon Bike

Looking to give your SurRon bike a significant power boost? Our ASI BAC4000 upgrade kitfor SurRon Bike kit is the perfect solution. This highly tunable upgrade can deliver up to 18kW of power, which is 3x more than the stock bike’s 4.8kW output.


  • Custom tuning: Receive personalized tuning from an engineer, unlike other kits with pre-set configurations.
  • Tunable up to 15kW: Unlock an incredible 3x power increase compared to the stock bike.
  • Works with various battery setups: Compatible with both 60v and 72v batteries.
  • Plug-and-play installation: No soldering or modifications required – simply replace the original controller.
  • Compatible with OEM and upgraded batteries: Works seamlessly with your existing battery or with upgraded 60v or 72v batteries.
  • Complete upgrade kit: Includes a controller, display (750C or Eggrider V2), controller holders, connection cables, and an optional controller radiator.

Power Options:

  • Option 1 – 60v original: Boost power to 5,000W.
  • Option 2 – 60v bypassed: Increase power to 7,200W.
  • Option 3 – 60v Custom: Achieve 12,000W (12kW) of power.
  • Option 4 – 72v Custom: Unleash 15,000W (15kW) of power.
  • (For custom programming please contact us –

Performance Improovements:

  • Significant torque and acceleration: Experience a noticeable increase in power and responsiveness from the rear wheel.
  • Increased maximum speed: Depending on the rear sprocket, you can expect a significant boost in top speed.

Battery Considerations:

  • Bypassed battery: While increasing power, bypassing your battery may shorten its lifespan. The extent depends on battery condition, age, and pre-bypass maintenance.
  • 60v or 72v battery: For maximum power, consider upgrading to a high-quality ElectricGen 60v or 72v battery capable of delivering the required amperage.

Get the Most out of Your SurRon:

Our ASI BAC8000 upgrade kit is designed to unleash the full potential of your SurRon bike. With its customizable power output, compatibility with various battery setups, and plug-and-play installation, this upgrade will transform your riding experience.

Even more:

  • Power Adjustment via Screen: Conveniently adjust the power output directly from the display, tailoring your riding experience to your preferences.

  • Assist Level Adjustment in Percent %: Fine-tune the assist level in percentage increments, ensuring a personalized riding experience that suits your riding style and terrain.

  • Wheel Size Adjustment for Accurate Speeds: Accurately gauge your speed by adjusting the wheel size setting, providing more precise speed readings.

  • Compatibility with Multiple Screens: Choose from a variety of compatibility screens, including 750C and Eggrider V2, ensuring a seamless integration with your preferences.

  • Motor Overheating Protection: Safeguard your motor from overheating by implementing a robust protection system that monitors motor temperatures and reduces power output when necessary.

  • 60V – 72V Battery Compatibility: Utilize a wide range of batteries, from 60V to 72V, ensuring compatibility with your current setup or future battery upgrades.

  • Battery Wear Protection: Preserve battery life by implementing a smart power reduction mechanism that automatically adjusts power output when battery levels are low.

  • Plug-and-Play Installation: Enjoy effortless installation with a plug-and-play design that eliminates the need for complex wiring or modifications.

  • Speed Unit Change (km/h – mph): Conveniently switch between kilometers per hour (km/h) and miles per hour (mph) units, adapting to your preferred speed measurement.





Papildoma informacija

Select your battery

60v original, 60v bypassed, 60v Custom, 72v Custom


750C, Eggrider V2, I will use my own Eggrider V2

Regeneration thumb throttle

I need it, No, Thanks :)

Bypass kit

+, –

Controller radiator

I need it, No, Thanks :)


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