wesnewell wrote:There's a part number etched on all the motors of the kits I've bought from them. Doing a search on that number reveals it to be a GM pn. The specs also match the specs for the GM 901/902 motors sold by GM. So I can only assume they are GM motors, or second sourced to their specs. I know they'll take a beating. The 48V 1000W one I've had for over a year never gets hot and I've put up to 4000w into it climbing some really steep but short (1/8 mile) hills. They may be an older design, but the 3 I've used 2-500W, 1-1000W, have been solid. They have to be to move my 275lb fat butt. I'm not sure who makes the controllers. I got an infinion EB215-A-5 controller with my 48V 1000W kit but they've changed that now to a newer model of some kind now. All controllers were 30A.
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