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Peartune kit for Shimano E8000 engine

149,00 139,00

Delivery under 2 at 3 days


  • Speed ​​limiter: Modified
  • On-Screen Display: Speed ​​divided by 2
  • Maximum speed with assistance: 50 km / h
  • Quick setup
  • Not compatible with Di2 models

With this unclamping kit for bikes equipped with Shimano E8000 engines, you can move the maximum engine assistance from 25 km / h to 50 km / h. With this PearTune module, the speed limit is not completely eliminated (unlike PearTune variants for other engines), but at least doubled.

The SH1 Shimano Peartune Kit for Shimano Motor is compatible with Shimano STEPS E8000 (mid) bike engines. but without Di2 gearshift.

Select below the kit that suits your bike (depending on whether you have a light button or not)

To erase


Installing the Peartune SH1 Kit for Shimano E8000 Engine

The installation of the adjustment tool is really very simple. The PearTune module should simply be installed between the magnetic speed sensor and the engine block. Since only the original Shimano sockets are used, the installation is extremely simple. Incidentally, after installation, the PearTune module automatically configures itself, so you have nothing else to do.

Enable / disable unclamping

There are 2 modes of operation according to your engine:

  • You can manage the unclamping via the "Light" button on your bike. The kit is powered via the lighting cable.
  • If you do not have lighting on your bike, then unbridled it permanently. The kit is powered directly by the engine.

Technical data

  • Size without cable: 21 x 40 x 12 mm
  • Voltage: 5-15 V
  • Maximum consumption: 100 mA / 1,5W
  • Weight: about 30g
  • The kit voltage must not exceed 50V

Further information



Driving control

No Yes

Visible kit


Unbridled motor

Shimano Steps E8000

Installation level


Speed ​​displayed

Actual speed

Max speed

Not limited

Activation button

Lighting, Always active


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