Ebikes that are priced as Low as these are, you are much more likely to run into issues in terms of requiring a lot of adjustments on the brakes, derailleurs, etc when shipped new. That truly is the one of the best reasons to buy from a LOCAL shop, rather than on-line or rather than from a store far away who can't service you. You can find better quality in all of this with brands such as Blix, or Surface 604, but there are still going to be little things that can crop out, when first getting out of the box, or even after riding for a while that don't show up initially. Could be issues with the throttle, the controller, the LCD, or even in the crank area. Juiced is obviously trying to pack a lot of value for the price points they are selling these at, so it is something to consider before purchasing. I'm a big believer that you don't need to spend $2500, $3000, or $4000 to get a higher quality e-bike, but just know that it does cost a lot to pack them properly, ship them well, and make all the adjustments needed after the immediate build, and then again after it ships. Also, please realize that if you want help from that local bike shop, if you didn't buy it from them, please don't expect them to give a great deal on service, or get you in on a timely fashion, or push them at all. It's really killed the bike industry itself over the years for these bike OEMS to sell on-line or dealers who ship across state lines, at next to no margin. Ultimately the consumer pays, and bears the brunt of losing that local shop forever, or simply having to learn how to do a lot of this themselves. Most people I find aren't even close to being handy or mechanically inclined. In the old days maybe, but now many don't even have tools, or know what to call the tools. The dealers make up for a lot of the flaws in the bike distribution system. Treat them right, patronize them frequently, and you really wont have to worry about these issues you bring up.