Wow I didn't realise they were so heavy. I had to search Den's other thread, he's 5' 9 1/5" !!A Kudos City weighs in at close to 30 kilos...this's too much for the average out of condition old guy like myself who's looking to get into ebiking.
I recently bought a Woosh Sirroco CD which despite the heavy battery weighs only 25kilos and because it's small, feels even lighter...I've proved it'll do 50 miles on a charge, I suspect 70 can be expected.
....It's fast, comfortable and virtually silent running.
If I'm as happy with it in 12 months as I am now I will be well pleased.
I think perhaps the issue is nothing to do with the size of the bike but with Den and perhaps the way the power comes in when setting off, but having not ridden one I can't be certain.
I need to say this again, Den is 5' 9 1/2"
this is not a big bike for someone of that height