... ,CCC,EN15194,RoHS Let's make things better!Electric bike kit 12-28"wheel,24-48V CE,CCC,EN15194,RoHS Let ... of Motor. Payment we accept the payment via Paypal orT/T.Let's make things better!1.Feature:High efficiency, High ... front or rear wheel with the one provided in the kit b.Fasten the controller,battery and other small parts c ... need to worry trafficJam or air pollution! electric bike motor kit