Welcome man ! In my humble opinion, you may want to look at Metroboard instead of Evolve.
Have you seen their last X model ? It’s no more bulky and looks good. The brand has good reputation, where for Evolve I personally can’t trust a brand who thinks riders are test dummies and who doesn’t even care about reliability (it’s easier to shut bad feedback down).
Ask @longhairedboy what he thinks about it, he knows better than most on the matter.
Bioboards are road monsters too, and DIY… Well you’ve come to the right place for that 
what exactly do you seek ?
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http://www.enertionboards.com/open-source-electric-skateboard-motor-mount/
is 404 is there new location?
Yes, i realize necropost, but its a pinned topic, and open source is open source, so open source does imply an ongoing obligation… but mostly just curious as it seems there’s plenty of other options 
open source is admirable and desirable.
Itt: people who dont read carefully/thoroughly and then jump to conclusions.
Dude said in his original post that HK DOES have premium components but people trying to save a buck by going hobby route typically end up buying the cheapest and meet the false economy.
Throwing shade at particular companies porbably isnt the best look though.