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Thanks for all the advise: This is a writeup of what I ended up doing. I would have taken a couple of additional images and drawn on those I got, but as I have been constrained on time this is what I ended up getting out, as advise and inspiration to people who may want to do this on their own...

... Thank you very much. I will try to take it apart the next time I have the time. Probably a weekend. I will post the result of my findings. I also like the suggestion about replacing the controller etc. with something better and unlocked.

Hi I have attached a few images but a more comprehensive set (including the motor) is in the album https://www.jottacloud.com/share/oou9uah6pkjq I am guessing this cable could go to the PAS sensor, as you see the pedal crank is attached to the bike. By just looking at it I have no idea how to...

In the latest months, my e-bike has started to cut power for roughly 0.3-0.5 seconds when I ride. The shortest cuts can just be felt as a short stop of help from the motor while the longer can be seen as an actual power cut in the display. The cuts feel exactly like, if I stop pedaling for at...

When a bike is going 25 km/h it has a kinetic energy, i.e. potential energy. You only use energy to get to this point (accelerate), but unless another force is acting upon the bike it takes no additional energy isneeded to stay at your current velocity. That is why space crafts can travel for...

I think I need to find the extended manual. There was only a single max speed (SET2 in the manual) and no options for PA levels (which like you say would be nice with only 6 instead of 9). I tried holding + and - down for a long time but got no pincode screen (or anything else), like in the...

I didn't find the extended manual either (searched the forum on manual and Bigstone on your user) but I tried the max speed setting of the manual you posted, and upping it from 26 km/h to just 27 helped a bit and 28 even more. But I did a test: I turned off the bike (i.e. the display) and drove...

Here are 2 pictures with the LCD control panel turned on and with all possible symbols turned on (while starting). Thanks.

A year ago I bought an ebike from dutch Brinckers, the dealer said the electric system is provided by Batavus. The motor is in the front wheel. It has 9 power levels, 1-9 where 9 is max. If I go a bit past 25 km/h, like 27, the motor will kick out already at about 22 km/h when I am in power...