I already did it twice on my motor because I ride often in the wet. I didn't yet replace the seals because they were still in good condition. I only removed the old grease and dirt, and then re-applied a lot of the Bosch grease according the procedure which came with the set.
On the gen4 motor...
The gen4 motor already have two connectors for the lights, and the battery extension also exists with the special cable to connect two batteries to the motor... nothing new here.
No, please don't mix the Ah capacity and the weight!
The weight of a battery is not proportional to the Ah, but is proportional to the Ah * V (= Wh) !!!
That's a good and correct analysis. 48V / 750Wh looks not possible with current 21700 or 18650 cell capacity.
On my opinion there will be no new motor for 2022, the gen4 is "only" 2 years old and still very competitive.
I think they will only come with a new 720Wh / 36V battery with the same...
Same here. I think the value come only if you have a barometer sensor in the phone.
The problematic with GPS height is it's not enough accurate to measure ascent and descent. Example: if you ride on a flat road, the GPS height always fluctuate up to +/- 30m over the path. At the end this makes...