Manufacturer: KarT sp. z o.o., Poland

Technical:

• compact design,
• does not interfere with derailleurs,
• right and left side,
• construction based on the hallotron principle (0.8-4.2V),
• soft elastomeric, non-slip insert in the place of contact with the thumb,
• works with any power controller,
• intended for brushless and brush motors,
• hermetic Higo connector,
• length of the cable: about 40cm,
• compatible with Ecobike.

Difference between Ecobike, Rapid and Bafang:

https://pojazdyelektryczne.org/viewtopic.php?f=22&t=5660