dirtbike

How would I go about building a DIY bike using a hub motor, like the qs273/205? I'm looking for something like the Sur Ron but much faster. And if you don't feel like explaining could you link sources so i could learn about the functioning of diy ebikes? I'm talking controllers, battery, power...

Hi all, I am looking into getting an E-dirt bike for trail cruising. I will only be using it for trails, and will register it and do everything by the books. I found this bike, it looks like it would be fun to upgrade, and I love the classic dirt bike look it has. But I cannot find any owner...