Installation of Speed box2 for Bosch:

1, Disconnect the battery from the electric bike.

2, Loosen the screw of the left handle and remove the handle.

3, Loosen 3 torx screws holding the plastic engine cover and lift off the cover.

4, Disconnect the connector of speed sensor and display connector.

5, Connect the SpeedBox2 to disconnected sensors.

6, Connect contacts of SpeedBox 2 to original connectors.

7, Close the plastic engine cover and screw 3 torx screws holding this cover.

8, Install the left handle and tighten the centre screw of the handle.

9, Connect the battery of electric bike.


Operation of Speed Box2 for Bosch:

1, Turn on the electric bike.

2, Activation and deactivation is done by WALK button placed on the handlebars.

3, After turning off the electric bike the SpeedBox2 is always off.

4, After the first pushing of WALK button the display shows for one second the current speed of 50km/h. The SpeedBox2 is active and your bike will ride at the speed up to 50km/h.

5, After next pressing the WALK button the display shows the speed of 2.5km/h it means that the SpeedBox2 is disabled and the supplementary assistance of the electric bike is active only up to speed of 25 km/h.



1, Make sure that the use of products SpeedBox isn´t in conflict with current legislation of the country in which you will use your electric bike.

2, Be considerate of your surroundings when driving.

3, The producer assumes no responsibility for damages caused by using products SpeedBox and SpeedBox2.

4, Always use bike helmet and other protective gears.




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