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E-bike tuning - for e-bikes/pedelecs with SHIMANO motor


SHIMANO - The company was founded about 100 years ago in Sakai, Japan. Everyone who is even slightly interested in bicycles will have heard the name "SHIMANO". In the field of gear groups SHIMANO has been the market leader for years. No wonder that the specialist for bicycles has also been interested in e-bikes since 2010 and launched several drives under the name "STePS". No tuning is currently offered for the drives of the cargo bikes (DU-EP800-CRG and DU-EP6100-CRG), but there are working modules for all other models. It should also be noted that not all tuning modules work with the Di2 shifting system.


The name of the manufacturer is usually written on the housing of the drive. With SHIMANO, in any case, the name cannot be overlooked. In addition, the exact designation of the motor should be found in the data sheet supplied. SHIMANO drives are divided into systems for e-bikes and e-mountain bikes.


  • STePS E6100: 250 W / 60 Nm / up to 25 km/h

  • STePS E5000: 250 W / 40 Nm / up to 25 km/h

  • STePS E6000: 250 W / 50 Nm / up to 25 km/h


  • SHIMANO EP8: 250 W / 85 Nm / up to 25 km/h

  • STePS E8000: 250 W / 70 Nm / up to 25 km/h

  • STePS E7000: 250 W / 60 Nm / up to 25 km/h

The following list shows you the manufacturers whose modules we at SIP Scootershop offer for SHIMANO motors:

The manufacturer from the Czech Republic has gained experience in the production of tuning chips since 2014. Its modules are installed directly on the motor and are suitable for all SHIMANO motors.

The Italians are the only manufacturers of e-bike and pedelec motors who also offer tuning modules. POLINI modules are installed directly on the motor and are not visible from the outside. POLINI modules can be used with most SHIMANO drives.

E-bike and pedelec tuning from Lower Franconia. The so-called Badass Box is not installed on the motor, but simply attached from the outside and works smoothly with almost all SHIMANO motors, including many Di2 gears.


The Czech manufacturer builds tuning modules for the motors of many well-known manufacturers. They are characterised by clever functions such as a chip lock or the "Still On" mode. These interesting modules are also available for some SHIMANO motors.


At SIP Scootershop we offer the following tuning modules for SHIMANO motors:

These small boxes are plugged onto the sensor of the bike or pedelec and now this tool halves the transmitted speed, doubling the motor support. It is a wireless device that can be removed again in no time. The manufacturer Badass is the market leader here.

These modules contain a chip and cables with connectors. They are installed invisibly under the engine cover and clamped between the sensor and the control unit. Many modules can even be switched on or off via the display while driving. The latest modules, such as the Speedbox B, also have integrated app control via Bluetooth. The control and also the reading of the motor data can be done with the smartphone. However, tools are required for installation and removal. In the following, we will go into more detail about these modules.

The motors are controlled by a speed pulse that tells them how fast a pedelec or e-bike is travelling. If the pulse reaches 25 km/h, the motor switches off. However, if only every second signal of the impulse comes through, 50 km/h can be reached, because the motor is "fooled" into thinking it is travelling at a different speed. With cheap modules, the speedometer then simply displays half the speed.

More sophisticated chips are more advanced: they halve the impulse only from 23 km/h or, in some drives, they are directly connected to the data transmission between sensor and motor, so that the speedometer always shows the correct values. The most modern tuning modules, for example from VOLspeed or Speedbox, even display the total kilometres driven and average speeds correctly.

However, the software version of the bike and pedelec must also be kept in mind. A carelessly installed update from the manufacturer can abruptly end the tuning pleasure. Be careful, because the motor manufacturers and tuning experts are constantly playing a cat-and-mouse game.

Want to know more about e-bike tuning?

Here you will find all the information you need on the subject: Finding the right tuning module


It should be noted that the operation of this type of modified electric bicycle on public roads may be against the law in some countries. The dealer accepts no responsibility for any damage caused by the use of tuning products. Electric bicycles equipped with tuning products must not be used on public roads, cycle paths and squares. Electric bicycles equipped with tuning products may only be used on private property and at your own risk.