I like your fold-away ebike. What is the brand and model and how much?
3K watts is too much for what I wanted to use this for. I really wanted the cyc stealth 1500 watts version but they didn't have my chain-ring size i want, which matched up with my stock chain ring size. CYC representative said just get the 3K watts version and I can go as fast or slow as i want. Plus, if things break too much or i get tired of this, i can always get a better mountain bike and swap this over, its a easy install.
so if i change my rear rim/tire to something wider with new hub and new single cog, at least i should be able to have more fun with it than using the fragile internal 3spd hub presently.