Bosch – Speed Unlocker Chip

R5,499.99 inc. VAT

This device is designed for e-bikes in order to remove the speed restrictor of the engine set at 25 Km/h and consequently to maintain the assistance up to 50 Km/h, fully exploiting the performance that the engine can provide. Installation is done without opening the engine, without the help of a power supply, nor the unsealing of any original parts; Additionally it is totally invisible as it is housed inside the motor casing.

Equipped with sealed connectors, the unlocking of the engine from 25 km/h is activated and set with the computerised-on board controller. The speedometer will always show the correct speed.

You can activate / deactivate the unlocker using the walk button that is the factory setting; you can change this choice using lights or the reset button.


  • All data on your display will be shown correctly (current speed, average and maximum-speed, distance etc.) even if the tuning is activated
  • Autodiagnosis led
  • Automatic calibration wheel circumference
  • Possibility to set four different methods to activate the unlocker mode
  • Without disassembling the chip you have the possibility to recognize which software version is installed. Very useful in case of remote assistance.
  • Described functions are available for you and also end users!
R5,499.99 inc. VAT


Interested in this product? Please complete the form below, accept our terms and conditions and then continue to add this item to your cart. One of our skilled technicians will be in contact shortly thereafter to book your installation and take you through the operating procedure.

In stock

Please be sure to view our waiver here

If you have any questions regarding your purchase, please send us your inquiry here.