How to unlock Himo C20?

glompie

New member
Local time
1:18 AM
Joined
Jul 24, 2023
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1
Location
NL
Hi,
Is there anyone in this world that knows how to unlock the Himo C20 ?
I have two of these bikes, one stops at 23 km and the other one goes 27 km depending on the paddling force.
It's quite a noticeable difference in the pedal assist. But I don't see any difference between the two controllers.
 
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