Well I don't think that it is an open business model at all to make things that no-one can repair, not because of any intrinsic reason but just to make profit.
They install unnecessary electronic circuits to make their things irreparable.
To me, this is not playing fair with the customer and...
The one big advantage of the hub drive is that when all electrical parts are worn out, it can be converted to an ordinary bike again to sell on.
Only those CD kits that use the bottom bracket can be re-converted, all the others have frames that will not take a standard bottom bracket.
The problem in so many areas these days is that "designers" are only interested in looks and are simply unable to take a practical look at the product.
I remember buying a buoyancy bag for my dinghy.It had a redesigned air inlet.
The old inlet was the ordinary air bed style and could be...
Having just had a battery re balanced, I was advised not to leave the battery in the garage in the cold.
However, e-cars are left out in all weathers, so what is the answer.
Can a lithium battery stand freezing?