I'm pretty dismayed by the prebuilt bikes available, they are absolutely extortionate considering the pathetic motors they come with. I've decided that I'll be

I'm pretty dismayed by the prebuilt bikes available, they are absolutely extortionate considering the pathetic motors they come with. I've decided that I'll be buying a reasonable mountain bike frame with disc breaks and retrofitting one of those 1000W Chinese conversion kits onto it. I have no interest in riding it at its top speed, I just want the power to get up anything more than a shallow incline.