• Warning!!

    Riding a tuned or deristricted EMTB is not a trivial offence and can have serious legal consequences. Also, many manufacturers can detect the use of a tuning device or deristricting method and may decline a repair under warranty if it was modified from the intended original specification. Deristricting EMTB's can also add increased loads for motors and batteries. Riding above the local law limit may reclassify the bike as a low-powered bike, requiring insurance, registration and a number plate.

    Be aware of your local country laws. Many laws prohibit use of modified EMTB's. It is your responsibility to check local laws. Ignoring it, has potential implications to trail access, and risk of prosecution in the event of an accident.

    UK Pedelec Law

    Worldwide Laws

    We advise members great caution. EMTB Forums accepts no liability for any content or advice given here. 


Panasonic GX Ultimate + Speedbox

Maciekh

New Member
Apr 1, 2023
3
0
Poland
Hello everyone

I bought Kellys Tygon R90 with Panasonic gx ultimate motor.
Recently bought Speedbox to unlock speed limit but I would like to be able to return to default limit without taking out Speedbox. Im aware that Bosh and Siemens Motors can do that with special key combinations but Panasonic doesnt do that. I wonder if there is some kind of phisical switch possible to install (addittional button or mehanical switch) to achieve steering of speed limit on my panasonic. (sorry for my English).
Thanks for your answers
Maciej
 

Dado

Active member
Jun 28, 2022
691
462
Bratislava
Hello everyone

I bought Kellys Tygon R90 with Panasonic gx ultimate motor.
Recently bought Speedbox to unlock speed limit but I would like to be able to return to default limit without taking out Speedbox. Im aware that Bosh and Siemens Motors can do that with special key combinations but Panasonic doesnt do that. I wonder if there is some kind of phisical switch possible to install (addittional button or mehanical switch) to achieve steering of speed limit on my panasonic. (sorry for my English).
Thanks for your answers
Maciej

With this simple Speedbox not possible to switch.

Only way is to use light connector to switch speed limit. Or I have also the one which is reacting to a magnet and is hidden under plastic cover.

IMG20241021131523.jpg
 

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