Bosch Smart System – Rim Magnet


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We were the first in the world to develop a system for unlocking Bosch ebikes with the Smart System Rim Magnet, with the sensor positioned on the rear wheel air valve. Our Bosch Rim Magnet kit ensures assistance up to 50 km/h and is always active.

The installation of the kit is quite complex: before purchasing, we invite you to view our video tutorial which shows the necessary steps and to consult the installation manual.
If you proceed with the purchase, keep in mind that this kit has been designed for assembly in the Eplus workshops by our staff with specific technical skills for this product. Eplus will not be responsible in any way for any problems that could arise from incorrect assembly of the kit.

Therefore, we inform you that the installation of the product by third parties invalidates the right to withdraw from the purchase provided for by European standards.

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How to recognize a Bosch Smart System Rim Magnet ebike?

In this version the speed sensor is always positioned on the rear wheel valve.

COMPATIBLE WITH: Performance Line CX, Performance Line CX Race, Cargo Line
IN DEVELOPMENT FOR: Bosch Smart System Active Line, Active Line Plus , Performance Line and Performance Line SX


Bosch Rim Magnet tuning mode

The Eplus chip unlocks the speed up to 50 km/h for ebikes equipped with the Bosch Smart System motor in the Rim Magnet version (with sensor on the rear wheel air valve).
If you think you don’t have the technical skills to proceed with the installation yourself, we offer you other solutions:

  • bring your bike to the Eplus office, or ship it
  • buy the “Holiday Tuning Box” package and take advantage of it to spend a short vacation at our Wine & Spa Resort

Manual and Video Tutorial

For more technical information, consult our MANUAL and watch the VIDEO TUTORIAL



Technical features of Eplus tuning for Bosch Smart System Rim Magnet motor

  • HARDWARE: kit with connectors, speed sensor, support and magnet.
  • DEFAULT UNLOCK ACTIVATION KEY: none, the unlock is always active




  • 24 months warranty.
  • It fears humidity and heat sources.
  • We are liable for manufacturing defects and not for incorrect installations.
  • Any firmware update, previous modification with other systems, alteration or damage to the bicycle could result in the non-functioning of the product which can therefore neither be replaced nor refunded.

Eplus guarantees that the product does not have any original conformity defects, pursuant to Legislative Decree 206/05. The function is guaranteed up to the latest version of the original motor; before updating the ebike check the compatibility specified on this page.



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